content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
how many times can we differentiate this function??
February 5th 2009, 10:11 PM #1
MHF Contributor
Joined
Nov 2008
Posts
1,401
how many times can we differentiate this function??
how many times can we differentiate this splitted function on point x=0
??
$<br /> f(x) = \{ x^{2n} \sin (\frac{1}{x})... | 5 | [
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0.045166015625,
-0.00567626953125,
-0.021728515625,
-0.02673339... | 1,500 | 1500 | |
Re: st: Generate Random Variable Given Percentile Values
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: Generate Random Variable Given Percentile Values
From wgould@stata.com (William Gould, StataCorp LP)
To statalist@hsphsun2.harvard.edu
Subject Re: st: Generate Random Var... | 5 | [
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-0... | 1,501 | 1501 | |
Homework Help
Posted by Brett on Tuesday, October 16, 2007 at 9:44pm.
Hello ive been struggling with this problem for about 2 days now could someone walk me through it?
Suppose a firm faces a downward sloping demand curve given by the equation Q = 100 - (1/3)P. The firm's cost function is given by the equation C = 30... | 4 | [
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0.02... | 1,502 | 1502 | |
e
A function f(x) is said to be in L^p if the integral of |f(x)|^p is finite. So if you know f is in L^p for some value of p, can conclude that f is also in L^q for some q? In general, no. But for two
important special cases, yes. The special cases have to do with the domain of f.
If f is a function on a finite measu... | 5 | [
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Homework Help
Posted by muma on Thursday, November 10, 2011 at 8:02am.
Simplify:
(a) 47 (23 +36 -7 )
(b) (37 -2 )squared
(c) (1624)/(496)
(d) 7/(20 ) - 4/(12)
(e) (32)/(12) - (53)/(8 )
• math - Reiny, Thursday, November 10, 2011 at 8:55am
I will assume your is supposed to be a √
To do these, you shou... | 4 | [
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Summary: 1. Back to formal theories.
I'm going to modify some notions involving formal theories. Suppose
T = (L, A, R)
is a formal theory where L is a language on the alphabet A and R is the set of rules
of inference.
Definition 1.1. Suppose L.
We say the finite sequence
A1, A2. . . . , An
is a primary proof using if f... | 4 | [
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Question on stationary points
Thing is that i can do stationary points with 1 variable involved but this one has two,not used to it. help plsss
Um then I'm assuming you don't know partial derivatives. Just in case you do, you should do the following: Find $f_x$ and $f_y$, set them equal to 0, and solve for x and y. I ... | 5 | [
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Rectangular Pyramid
Introduction
In geometry, a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex. Each base edge and apex forms a triangle. It is a conic solid with polygonal base.
If the base of a pyramid is rectangle, then the pyramid is called as rectangular pyramid. (Sou... | 4 | [
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Understanding Fury in 4.0
10-18-2010 03:33 PM #147
TankSpot Donor
10-18-2010 03:23 PM #146
10-18-2010 02:56 PM #145
Theres no RL, only afk!
10-18-2010 02:54 PM #144
No Sleep
10-18-2010 02:25 PM #143
Established Registrant
10-18-2010 02:11 PM #142
10-18-2010 01:52 PM #141
New Registrant
you run up to a target d... | 5 | [
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... | 1,508 | 1508 | |
Homework Help
Posted by Vince on Saturday, December 31, 2011 at 9:26pm.
For small values of h, the function (16+h)^1/4 is best approximately by which of the following?
a. 4+h/32
b. 2+h/32
c. h/32
d. 4-h/32
e. 2-h/32
• math - Steve, Saturday, December 31, 2011 at 11:23pm
Even without doing much figuring, y... | 4 | [
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Solving a DE
February 22nd 2010, 05:04 PM
arbolis
Solving a DE
I must solve $(1+x^2)y'+4xy=\frac{1}{(1+x^2)^2}$.
I think it's a first order linear non homogeneous DE which can be solved by the integrating factor method.
So far I've rewritten the equation as $\frac{dy}{dx}+ \underbrace {\left ( \frac{4x}{... | 5 | [
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Analytic continuation
October 8th 2008, 04:07 PM #1
Member
Joined
Nov 2007
Posts
108
Analytic continuation
This seems to be a hard problem for me. Can someone help?
Suppose $F(z)=\sum_{n=1}^{\infty} d(n)z^n, for\mid{z}\mid <1$$d(n)$ is the number of divisors of n. The radius of convergence of this se... | 5 | [
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Math Challenged
2011-Dec-23, 06:45 PM #631
No, you fool, the longest distance remains 2. Ouch
ETA: In my mind, I moved the farthest points of the pentagon along the circumference of the circle, to bring them closer together. Of course, that moves them farther away from others.
Puzzle #140 here.
The... | 5 | [
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Homework Help
Posted by lina on Tuesday, April 3, 2012 at 1:34pm.
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power
(sinx)^4
• pre-calculus - Steve, Tuesday, April 3, 2012 at 3:32pm
sin^4
(1-cos^2)^2
(1-cos)^2(1+cos)^2
(1-cos)(... | 4 | [
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... | 1,513 | 1513 | |
Machined Learnings
The next time somebody asks,
"Whose Afraid of Non-Convex Loss Functions?"
, I'm going to raise my hand. This
dyadic model
is only mildly non-convex but is proving challenging to get right.
I downloaded the
bookcrossing
dataset. The rankings are ordinal so the standard evaluation metric is
mea... | 4 | [
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Math Help
Let n=.999999.. Then 10n=9.999999... So 9n= 10n-n= 9.0000000 Therefore 9n=9 & so n=1 But I dont really have a good explanation so I was looking for something more detailed..
Last edited by Plato; September 12th 2012 at 06:10 PM.
first of all, you have to say what you MEAN by: 0.999999..... (yes, we all kno... | 4 | [
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Continuous functions, Lifchitz's condition...
June 14th 2011, 04:13 PM
Also sprach Zarathustra
Continuous functions, Lifchitz's condition...
Let $u=f(x,y)$ defined in $D$, continuous by $x$ and holds Lifchitz's condition for $y$, in other words: $|f(x,y_1)-f(x,y_2)|\leq A|y_1-y_2|$ where $(x,y_1),(x,y_2)$ are po... | 5 | [
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Homework Help
Posted by Cat on Monday, March 9, 2009 at 8:20pm.
...excess information....
The historical society tells him that furniture similar to his has been appreciating in value at 10% per year for the last 20 years and that his furniture could be worth $10,000 now.
Is my expression 10,000(1+.1)^x?
If so, I h... | 4 | [
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Homework Help
Posted by Kristen on Monday, June 14, 2010 at 9:52pm.
The area if a rectrangular swimming pool can be represented by the trinomial expression 6xsqaured+5x-4. If x= 4m, what is the total area of the pool and what are it's dimensions?
• Math - Jen, Monday, June 14, 2010 at 10:03pm
Wherever there's ... | 4 | [
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0.0693359375,
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0.037597656... | 1,518 | 1518 | |
Stuck on binomial expressions x.X
March 29th 2013, 08:50 AM #1
Newbie
Joined
Feb 2013
From
Sri Lanka
Posts
17
So I'm currently doing questions on binomial expressions, and I'm not sure as to how to do it after this >.> Any guidance? Thank you :]
This is the question: If $x - \frac{1}{x}= \frac{8}... | 4 | [
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0.01953125,
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0.08740234375,
0.057861328125,
0.025146484375... | 1,519 | 1519 | |
Homework Help
Posted by 413 on Tuesday, October 24, 2006 at 1:28pm.
What is the fourth derivative of
f(x)= e^-x^2.
I got f''(x)=-2e^-x^2 + 4x^2e^-x^2
i need some help on find f''''(x)
You have
f(x) = e
^-x^2
then
f'(x) = -2x*e
^-x^2
= -2x*f(x)
f"(x) = (4x
^2
- 2))e
^-x^2
= f(x)*(4x
^2
- 2))
f"'(x)= f... | 5 | [
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0.0106811523437... | 1,520 | 1520 | |
Normal Distribution: More Than
July 28th 2012, 12:46 AM
student1234
Normal Distribution: More Than
The ages of ships using a port is normally distributed with a mean age of 12 years and standard deviation of 5 years.
State the probability that a ship will be more than 15 years old?
I've hit this questio... | 4 | [
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simplify logarithm
March 10th 2009, 04:11 PM
NidhiS
simplify logarithm
I was wondering if there's a way to simplify this logarithmic expression
i.e. (3/5) to the power log base 5 of n.
March 10th 2009, 05:51 PM
Jhevon
March 10th 2009, 06:20 PM
NidhiS
-1's just a separate entity.S so you basically d... | 5 | [
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0.096191... | 1,522 | 1522 | |
Quantitative methods for Busimess(Linear Programming)
July 24th 2007, 03:22 PM #1
Newbie
Joined
Jul 2007
Posts
13
Quantitative methods for Busimess(Linear Programming)
The NEC Company makes two cheese spreads by blending mild cheddar cheese with extra sharp cheddar cheese. The cheese spreads are pack... | 5 | [
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... | 1,523 | 1523 | |
Homework Help
Posted by Derek on Wednesday, July 9, 2008 at 8:07pm.
Use normal vectors to determine the intersection, if any, for each of the following groups of three planes. Give a geometric interpretation in each case and the number of solutions for the
corresponding linear system of equations. If the planes inters... | 4 | [
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-0.08154296875,
-0.06... | 1,524 | 1524 | |
RE: st: Fitting the logistic curve to a time-series
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
RE: st: Fitting the logistic curve to a time-series
From "Nick Cox" <n.j.cox@durham.ac.uk>
To <statalist@hsphsun2.harvard.edu>
Subject RE: st: Fitting the logistic curve to a time-ser... | 5 | [
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0.0... | 1,525 | 1525 | |
Homework Help
Posted by Emily on Thursday, September 17, 2009 at 12:55am.
"An aquarium with length x, width x-10, and height x-5 holds about 750 cubic feet of water. Find all real solutions of the equation (I wrote it) 750 = x(x-10)(x-5)."
I got the volume equation correct, right? I've tried dividing the factors of -... | 4 | [
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0.021728515625,
-... | 1,526 | 1526 | |
Homework Help
Posted by Ariana on Saturday, June 7, 2014 at 11:15am.
Find the sum of all multiples of 5 between 100 and 300 inclusive.
Ans: 8200
I do not know how to do this. Really do appreciate step by step workings and explanation.
Thanks!
• Maths! - Steve, Saturday, June 7, 2014 at 12:04pm
300 = 100 + 4... | 4 | [
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Unit tangent vectors
December 1st 2009, 08:40 AM #1
Member
Joined
Mar 2008
Posts
182
Unit tangent vectors
Let $r(t) = 3 sin({\it t}{\bf i}) + 3 cos ({\it t}{\bf j}) + 4{\it t}{\bf k}$. At $t = 0$, find
(i) the unit tangent vector T,
(ii) the unit normal vector N,
(iii) the curvature κ,
(i... | 4 | [
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-0.063... | 1,528 | 1528 | |
How many possible arrangements ...
March 7th 2010, 02:22 AM #1
How many possible arrangements ...
Hello,
I have a question
I have been trying to investigate the formula that gives the number of possible arrangements of $n$ elements in $m$ cells. But I just can't get this formula. I've been thinking a lot... | 4 | [
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numpy.ufunc.reduceat
numpy.ufunc.reduceat¶
ufunc.reduceat(a, indices, axis=0, dtype=None, out=None)¶
Performs a (local) reduce with specified slices over a single axis.
For i in range(len(indices)), reduceat computes ufunc.reduce(a[indices[i]:indices[i+1]]), which becomes the i-th generalized “row” parallel ... | 5 | [
-0.02587890625,
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0.0281982421875,
-0.048095703125,
-0.053955078125,
-0.09228515625... | 1,530 | 1530 | |
[SOLVED] Word Geometry Problem
February 18th 2009, 09:54 AM #1
Junior Member
Joined
Jan 2009
Posts
57
[SOLVED] Word Geometry Problem
Mr. Smith takes the train daily from his work in the city back to the suburb where he lives and is met at the station by his chauffeur, who drives
him home. One day Mr.... | 5 | [
0.02099609375,
0.056396484375,
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-0.0361328125,
0.034912109375,
0.032470703125,
-0.02... | 1,531 | 1531 | |
Budget Allocation in a Competitive Communication Spectrum Economy
This study discusses how to adjust "monetary budget" to meet each user's physical power demand, or balance all individual utilities in a competitive "spectrum market" of a communication system. In
the market, multiple users share a common frequency or to... | 4 | [
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0.0908203125,
-0.050048828125... | 1,532 | 1532 | |
Homework Help
Posted by mary on Tuesday, March 23, 2010 at 11:31pm.
let f be the function
f(x) = x^3 + 3x^2 - x + 2
a. the tangent to the graph of f at the point P = (-2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q.
b. Find the coordinates of point R, the inflection point of th... | 4 | [
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0.0281982421875,
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-... | 1,533 | 1533 | |
Extending to closed space
November 28th 2009, 02:40 PM #1
Member
Joined
Nov 2006
From
Florida
Posts
228
Extending to closed space
Let $X$ be a normed vector space and $M\subseteq X$ a closed subspace. Show that $M+\mathbb{C}x$ is also closed.
I was told to try using the Hahn-Banach theorem. So I... | 5 | [
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-0.0029754638671875,
... | 1,534 | 1534 | |
solving a system by substitution 3b
January 5th 2011, 08:50 AM #1
MHF Contributor
Joined
Nov 2008
Posts
1,401
solving a system by substitution 3b
solve this system by sustituting $t=e^u$ and building a function $y(u)=x(e^u)$
$<br /> t\frac{dx}{dt}=(\begin{array}{cc}<br /> 2 & 2\\<br /> 1 & 3\end{arra... | 5 | [
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... | 1,535 | 1535 | |
[SOLVED] Double integral find volume
May 10th 2010, 03:47 PM #1
Newbie
Joined
Mar 2010
Posts
23
[SOLVED] Double integral find volume
integral from 0 to 2(integral from 0 to 1 (2x+y)^8 dx dy
My impulse is to use substitution but I am not sure if I can or not
$\int\limits^2_0\int\limits^1_0(2... | 5 | [
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0.041259765625,
-0.0... | 1,536 | 1536 | |
Calculus some1 plz!!!!
Posted by yolana on Monday, March 14, 2011 at 7:47pm.
A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/4 rad/min.
How fast is the plane traveling at that time... | 5 | [
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Fin515 Wk 4 by Mikemajidian
7-2 - Boehm Incorporated is expected to pay a $1.50 per share dividend at the end of this year (i.e., D1 = $1.50). The dividend is expected to grow at a constant rate of 7% a year. The required rate
of return on the stock, rs, is 15%. What is the value per share of Boehm’s stock? D1= $1.50 p... | 5 | [
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-... | 1,538 | 1538 | |
to find avg between intervel
Posted Tuesday, August 13, 2013 12:44 AM
Valued Member I had requirement to find avg of values between intervals like 15,30,60
I had written query browsing some internet fortunately I got results ... | 4 | [
0.035400390625,
0.0654296875,
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0.0247802734375,
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0.003143310546875,
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-0.05541... | 1,539 | 1539 | |
Seeing and aperture
5.1.3. Seeing and aperture
Since the atmospheric turbulence induced wavefront error - so called seeing error - changes with (D/r0)5/6, it will vary, for given atmospheric coherence length (Fried parameter) r0, wit... | 4 | [
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... | 1,540 | 1540 | |
Lennard-Jones
Lennard-Jones model
From SklogWiki
The Lennard-Jones intermolecular pair potential is a special case of the Mie potential and takes its name from Sir John Edward Lennard-Jones ^[1] ^[2]. The Lennard-Jones model consists of two
'parts'; a steep repulsive term, and smoother attractive term, representing ... | 4 | [
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-0... | 1,541 | 1541 | |
Finding inverse of an arctan problem
May 4th 2008, 06:52 PM #1
Newbie
Joined
May 2008
Posts
16
Finding inverse of an arctan problem
Hi everyone. My calc II final is coming up, and this was one of the problems I missed on a test during the semester. I just can't seem to figure it out. I think I'm doing it... | 5 | [
-0.051025390625,
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-0.04736328125,
... | 1,542 | 1542 | |
Compactness and Covering Spaces
up vote 1 down vote favorite
Let p : Y -> X be an n-sheeted covering map, where X and Y are topological spaces. If X is compact, prove that Y is compact.
I realize that this seems like a very simple problem, but I want to stress the lack of assumptions on X and Y. For example, this is ... | 4 | [
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-0.0556640625,... | 1,543 | 1543 | |
Homework Help
Posted by Lee on Sunday, November 8, 2009 at 7:47pm.
A sample of a radioactive substance decayed to 93.5% of its original amount after a year.
a) What is the half-life of the substance?
? years
(b) How long would it take the sample to decay to 10% of its original amount?
? years
• Calc - drwls, Su... | 4 | [
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-0.... | 1,544 | 1544 | |
O
{Page 98}
EXPERIMENTAL DETERMINATION OF DYNAMIC YOUNG'S MODULUS AND DAMPING OF AN ARAMID-FABRIC/POLYESTER COMPOSITE MATERIAL
... | 4 | [
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0.079589... | 1,545 | 1545 | |
Differentiate 80*[sqrt (500^2+x^2)] + 50*(800-x)
May 17th 2009, 03:42 PM
dwat
Differentiate 80*[sqrt (500^2+x^2)] + 50*(800-x)
Differentiate 80*[sqrt (500^2+x^2)] + 50*(800-x).
I've started by
80*[sqrt (500^2+x^2)] + 50*(800-x)
=80* (250000 + x^2)^(1/2) + 50*(800-x)
Now that I've set the ques... | 5 | [
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0.0908203125,
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0.0498046875,
... | 1,546 | 1546 | |
The Fundamental Theorem of Algebra (with Liouville)
This proof assumes knowledge of complex analysis, specifically the notions of analytic functions and Liouville’s Theorem (which we will state below).
The fundamental theorem of algebra has quite a few number of proofs (enough to fill a book!). In fact, it seems a ne... | 5 | [
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-0.05981445312... | 1,547 | 1547 | |
Comments on Hilbert Transform Based Signal Analysis :: Institutional Repository
Microwave Earth Remote Laborator ySensing (MERS) CommBeansetsd oSnig Hniallb eArnt aTlyrasnissform David G. Long, Ph.D. Original: 15 June 1995 Revised: 13 Feb. 2004 ECMEENR SD eTpeacrhtnmiceanlt R Reeppoortr t# # M TERR-LS... | 4 | [
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-0.09375,
-0.05078125,
-0.02734375,
... | 1,548 | 1548 | |
Re: st: reverse prediction - confidence interval for x at given y in non
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: reverse prediction - confidence interval for x at given y in nonlinear model
From Maarten buis <maartenbuis@yahoo.co.uk>
To statalist@hsphsun2.harvard.edu... | 5 | [
-0.059326171875,
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0.0203857421875,
0.041748046875,
-0... | 1,549 | 1549 | |
Homework Help
Posted by Lily on Thursday, February 28, 2008 at 1:37am.
Can someone please explain to me the procedures for getting an answer to the questions. Step by step would be great since I'm very confused. I know it's probably simple.
* Numerous studies have demonstrated that listening to music while studying c... | 5 | [
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0.0255126953125,
-0.018920... | 1,550 | 1550 | |
Homework Help
Posted by Jon on Friday, December 11, 2009 at 10:04pm.
Hi I can't remember how to figure this out. Can you give me an idea?
In 1970, the minimum wage was $1.60 per hour. In 2000, the minimum wage was $5.15 per hour. When will the minimum wage be $7.50 per hour?
• math - Reiny, Friday, December 11, 20... | 4 | [
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0.... | 1,551 | 1551 | |
Dice Probability
November 27th 2006, 04:04 PM #1
Junior Member
Joined
Nov 2006
Posts
43
Thanks
1
Dice Probability
Hi. Is there a way to solve the following without actually listing out all the possibilities?
What is the probability of rolling a total sum of 8 using three dice?
Thank you!
... | 5 | [
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0.00177001953125,
-0.0947265625,
0.019775390... | 1,552 | 1552 | |
Homework Help
Posted by Diamon on Sunday, January 15, 2012 at 9:25am.
If A gives B $3, B will have twice as much as A. If B gives A $5, A will have twice as much as B. How much does each have? Explain clearly your working.
• Mathematics - Reiny, Sunday, January 15, 2012 at 11:20am
A now has x
B now has y
... | 4 | [
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0.056396484375,
-0.06884765625,... | 1,553 | 1553 | |
derivative of x/x-1-including h!!!
February 15th 2013, 05:04 AM #1
Junior Member
Joined
Jan 2013
From
Pizza
Posts
57
derivative of x/x-1-including h!!!
Hello!
Now, I have to count derivative from :
$(\frac{x}{x-1}$
it would of course not be a problem IF the result would not be:
$-\f... | 5 | [
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-0.021... | 1,554 | 1554 | |
Convergence in probability
This lecture discusses convergence in probability, first for sequences of random variables, and then for sequences of random vectors.
Convergence in probability of a sequence of random variables
As we have discussed in the lecture entitled Sequences of random variables and their convergenc... | 5 | [
-0.027099609375,
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Vector applications help
June 17th 2010, 01:52 PM #1
Newbie
Joined
Jun 2010
Posts
12
Vector applications help
I am not sure how to solve this problem, can someone please help me.
A plane is supposed to travel 820km on a bearing of 80 degrees. The plane's speed is 800km/h. The wind is blowing at 70km... | 4 | [
0.01708984375,
0.109375,
-0.0267333984375,
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0.005... | 1,556 | 1556 | |
Homework Help
Posted by Georgia on Tuesday, October 20, 2009 at 4:38pm.
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing
west at 25 knots and ship B is sailing north at 16 knots.
How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a
speed of 1 nautical ... | 5 | [
-0.050048828125,
0.05712890625,
0.0159912109375,
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0.052001953125,
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0.0... | 1,557 | 1557 | |
MathGroup Archive: December 2007 [00369]
[Date Index] [Thread Index] [Author Index]
Re: efficient programming problem
• To: mathgroup at smc.vnet.net
• Subject: [mg84155] Re: efficient programming problem
• From: DrMajorBob <drmajorbo... | 5 | [
-0.1083984375,
0.040771484375,
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Organizing, Clarifying and Communicating the R Data Analyses
Exclusive offer: get 50% off this eBook here
Statistical Analysis with R — Save 50%
Take control of your data and produce superior statistical analysis with R.
£16.99 £8.50
by John M. Quick | October 2010 | Open Source
The R Project for Statistical Compu... | 5 | [
0.01409912109375,
0.0179443359375,
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0.04663085... | 1,559 | 1559 | |
Finding a vector from the sides of a triangle
November 13th 2009, 09:18 AM
knuckles1234
Finding a vector from the sides of a triangle
In a triangle ABC the point M is located on the side BC such that the ratio of
the lengths of the segments BM and MC is L,
i.e., lBMl: lMCl= L.
Find the vector AM giv... | 4 | [
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0.033203125,
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0.11767578125,
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-0.010498046875,
... | 1,560 | 1560 | |
Solving equation using Newton's Method
September 27th 2009, 09:20 AM
latavee
Solving equation using Newton's Method
So I solved this complicated DE and got this equation and trying to solve for Vo(intial velocity). The instructions told us to use Newton's Method or a graphing program to solve for Vo
(Matlab,... | 5 | [
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... | 1,561 | 1561 | |
Please help me on these questions
September 15th 2009, 09:17 PM #1
Newbie
Joined
Sep 2009
Posts
3
Please help me on these questions
Hi I'm new here and I need some help please.
1. S=3/1-r if r= -3/4 , S=?
2. t=16(-1/2) ^x-1 if n=8
3. T= -1/2(2)^n-1 if t=-32 , n=?
4. write the quadrati... | 4 | [
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-0.... | 1,562 | 1562 | |
Integral of Gaussian multiplied by cos(x)
January 20th 2009, 01:09 PM #1
Newbie
Joined
Jan 2009
Posts
3
Integral of Gaussian multiplied by cos(x)
Hey I have a problem that was in quantum mechanics, but is basically a math problem.
I need to solve the following integral:
How do you achieve this r... | 5 | [
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0.017822265625,
... | 1,563 | 1563 | |
ng
Narrow Search
Earth and space science
Mathematics
Sort by:
Per page:
Now showing results 1-10 of 20
This is a booklet containing 31 problem sets that involve a variety of math skills, including scientific notation, simple algebra, and calculus. Each set of problems is contained on one page.
Learners will use m... | 4 | [
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0.037841796875,
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-0.0... | 1,564 | 1564 | |
Homework Help
Posted by Leyla on Monday, November 30, 2009 at 6:17pm.
Can you explain how to find the solution of 3x^2-2x+5, using the quadratic formula? I got it down to (2 +/- sq. root of -56)/6. But my book then reduces that to (2 +/- 2 times the sq. root of 14i)/6.
But I think in place of the 2 and the sq. root of... | 4 | [
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-0.03... | 1,565 | 1565 | |
distinct permutations.............
January 15th 2007, 12:51 AM #1
Member
Joined
Jul 2006
Posts
95
distinct permutations.............
hello,
plz try to do these questions.
(a) Find the number of distinct permutations that can be formed using the letters of the word “Mathematics”.
(b) How man... | 4 | [
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0.0... | 1,566 | 1566 | |
Satellite Orbits
When a satellite is launched, it is placed in orbit around the Earth. The Earth's gravity holds the satellite in a certain path as it goes around the Earth, and that path is called an "orbit."
There is only one main force acting on a satellite when it is in orbit, and that is the gravitational force e... | 4 | [
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0.029... | 1,567 | 1567 | |
Homework Help
Posted by iris on Wednesday, October 26, 2011 at 2:56pm.
peter took a 1,500 mile trip in 5 days. each day, he drove 30 miles more than the day before. how many miles did he cover on the first day?
• math - Reiny, Wednesday, October 26, 2011 at 4:16pm
You have an arithmetic series,
where d = 3... | 4 | [
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the robust variance estimator
What are the advantages of using the robust variance estimator over the standard maximum-likelihood variance estimator in logistic regression?
Title Advantages of the robust variance estimator
Author Bill Sribney, StataCorp
Date January 1998
I once overheard a famous statistician ... | 4 | [
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0.125,
-0.0094604492... | 1,569 | 1569 | |
Equation of line HELP!
March 11th 2007, 03:31 AM
studiers
Equation of line HELP!
How do I work out.......
Find the equation of a straightline that makes an angle of 55 degrees with the negative X axis and cuts through (2,0)
and
Find the equation that runs perpendicular to 2x + 3y = 12 and cuts t... | 4 | [
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0.08984375,
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-0.015869140625,
0.029296875... | 1,570 | 1570 | |
Re: st: L-statistic
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: L-statistic
From Joseph Coveney <jcoveney@bigplanet.com>
To Statalist <statalist@hsphsun2.harvard.edu>
Subject Re: st: L-statistic
Date Thu, 24 Apr 2003 22:55:22 +0900
Responding to a question posted by... | 5 | [
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Ancient Egyptian Forum • View topic - Hello from Cuba
Hello:
My name is Carlos Eduardo Rodríguez Varona. I live in Camagüey city, Cuba. I am graduated of Education, in the Physics and Electronic specialty. I work as Computer systems analyzer in a Television
broadcasting of my natal city, Camagüey.
I belong to the Gro... | 4 | [
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... | 1,572 | 1572 | |
Continuous function on metric spaces.
January 13th 2009, 01:08 AM
aliceinwonderland
Continuous function on metric spaces.
Let X, Y be metric spaces and f: X->Y be a continous function on the indicated metric spaces. Prove the followings.
(a) For each subset A of X, $f(\overline {A}) \subset \overline{f(A)}.... | 5 | [
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-0.... | 1,573 | 1573 | |
Differentiation
September 6th 2006, 11:23 AM #1
Differentiation
I am a 16 year old student who is due to start college. I need help with this question!
Find an expression in terms of x and y for dy/dx, given that:
y^3+(3x^2)y-4x=0
Any help would be greatly appreciated.
If it's hard to solve to... | 5 | [
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-0.02783203125,
0.0517578125,
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0.029296875,
-0.01507... | 1,574 | 1574 | |
ime constant
This article shows how to calculate the time constant of a CR network, and why it's useful to know it.
How long does it take to charge a capacitor?
A capacitor is a container for electric charge, so the answer depends on how big the container is, and how fast you allow charge to flow into it. How long do... | 5 | [
0.01031494140625,
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-0.0859375,
... | 1,575 | 1575 | |
substitution rule?
January 21st 2013, 08:13 PM #1
Member
Joined
Aug 2011
Posts
76
Thanks
1
substitution rule?
Hi. I'm somewhat frustrated because of a homework question. I don't know the mathhelpforum graphical formatting code, so I'm using '[' to represent that integral S-like symbol:
[ (dx / s... | 5 | [
0.047607421875,
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0.07177734375,
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-0.0235595703125,
-0... | 1,576 | 1576 | |
Custom Search
Energy, Wavelength and Electron Transitions
Atomic Structure Links
As you I just discussed in the Spectral Lines page, electrons fall to lower energy levels and give off light in the form of a spectrum.
These spectral lines are actually specific amounts of energy for when an electron transitions to... | 4 | [
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-0.030883789062... | 1,577 | 1577 | |
Molality Lesson Plans & Worksheets | Lesson Planet
Molality Teacher Resources
Find Molality educational ideas and activities
Showing 1 - 20 of 82 resources
In this molal boiling point worksheet, students complete a virtual lab experiment to determine the molal boiling point constant of water. Students use a calorime... | 4 | [
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-0.01080322265625,
... | 1,578 | 1578 | |
area of the region bounded by the hyperbola?
September 9th 2009, 02:10 PM #1
Newbie
Joined
Sep 2009
Posts
19
area of the region bounded by the hyperbola?
Please help me with this problem. I have been trying 2 do it 4 half an hour and still can figure out. Thank You!
Find the area of the region boun... | 5 | [
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0.0712890625,
0.119140625,
-0.00543212890625,
-0.05078125,
-0.0... | 1,579 | 1579 | |
Stata
Stata Press books
Maximum Likelihood Estimation with Stata, Third Edition
William Gould, Jeffrey Pitblado, and William Sribney
Copyright 2006
ISBN-13: 978-1-59718-012-2
Pages: 290; paperback
Price $43.00
New edition available
See a larger photo of the front cover
See the back cover
Table of content... | 4 | [
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0.0859375,
0.0281982421... | 1,580 | 1580 | |
3x2^m + 1 = n^2 - find all values such that this is true
July 2nd 2011, 08:06 PM #1
Junior Member
Joined
Jul 2011
Posts
53
3x2^m + 1 = n^2 - find all values such that this is true
I'm having difficulty remembering wot to do with an equation lyk this, im pretty sure its slightly different to the last one ... | 4 | [
-0.037353515625,
0.017822265625,
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0.05810546875,
-0.01373291015625,
0.021118... | 1,581 | 1581 | |
Homework Help
Posted by CM on Sunday, September 27, 2009 at 8:51pm.
Suppose that you find out that 20% of all babies say their first word by the time they are 13 months old, and that 90% of all babies say their first word by the time they are 22 months old. Assume
that the age at which a baby says its first word is no... | 4 | [
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-0.0269775390625,
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0.01... | 1,582 | 1582 | |
392C Geometric Group Theory
You are currently browsing the tag archive for the ‘Quasiconvex subgroups’ tag.
Last time: Theorem 21 (Groves–Manning–Osin): If $G$ is hyperbolic rel $\mathcal P$ then there exists a finite subset $A \subseteq G\setminus 1$ such that if $\bigcup_i N_i \cap A = \emptyset$ then
(a) $P_i/N_i \... | 4 | [
-0.06298828125,
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-0.028686523... | 1,583 | 1583 | |
question4
August 12th 2008, 12:21 AM #1
Junior Member
Joined
Jul 2008
Posts
25
question4
x and y are positive integers, There isn't 0 digit in both of them(x and y).
if $x.y=10.000$
What is different of $x-y=?$
a)609 b)631 c)643 d)789 e)919
I . meant to be a decimal point or is it bei... | 4 | [
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0.0244140625,... | 1,584 | 1584 | |
Re: st: RE: r-square 4-level-logit-regression xtmelogit
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Re: st: RE: r-square 4-level-logit-regression xtmelogit
From Martina Brandt <brandt@soziologie.uzh.ch>
To statalist@hsphsun2.harvard.edu
Subject Re: st: RE: r-square 4-level-logi... | 5 | [
0.003997802734375,
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0.0167236328125,
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0.0771484375,
0.00811767578125... | 1,585 | 1585 | |
d Events
Anyone who is not shocked by quantum theory has not understood it.
Niels Bohr, 1927
A paper written by Einstein, Podalsky, and Rosen (EPR) in 1935 described a thought experiment which, the authors believed, demonstrated that qu... | 4 | [
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0.0238037109375,
-0.083... | 1,586 | 1586 | |
Euler Phi Func.
April 18th 2007, 10:34 PM
flash101
Euler Phi Func.
Let n be a pos. int. The Euler Phi-func phi(n) is defined to be the # of pos. integers not exceeding n that are relatively prime to n.
1a) Let n = 250. Find phi(n).
b.) Determine the number of primitive roots n has.
c.) Find any of... | 4 | [
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-0.017822265625,
-0.07958984375,
-0.04321... | 1,587 | 1587 | |
How many points determine a line?
up vote 4 down vote favorite
2
Consider the affine space $\mathbb C^n$ and then, because of reasons, compactify it to obtain the projective space $\mathbb P^n$. One of the most basic axioms or propositions of geometry is that
through two distinct points in $\mathbb P^n$ there passes a... | 5 | [
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I have 2 kids. At least 1 of them is a boy What's the probability that both are boys?
November 16th 2013, 01:01 AM #1
I have 2 kids. At least 1 of them is a boy What's the probability that both are boys?
Re: I have 2 kids. At least 1 of them is a boy What's the probability that both are b
Hey Educated.h
In ... | 4 | [
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-0.00897216796875... | 1,589 | 1589 | |
Magnetic fields and motor principle
March 29th 2008, 10:28 AM #1
Member
Joined
Dec 2007
Posts
76
Magnetic fields and motor principle
1) An electron moves at a speed of 5.0x10^6m/s perpedicular to a uniform magnetic field. The path of the electron is a circle of radius 1.0x10^-3m.
a)what is the magni... | 4 | [
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0.01165771484375,
... | 1,590 | 1590 | |
Homework Help
Posted by Craig on Saturday, June 6, 2009 at 3:13pm.
An investigational drug study is being conducted. The initial screening phase needs to include enough people so that the final (approved) group has at least 10 patients. The probability of a person
being approved for the study is .80. what initial samp... | 5 | [
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-0.0... | 1,591 | 1591 | |
Grad, Ctsly differentiable function on Rn
May 13th 2010, 10:41 AM #1
Newbie
Joined
May 2010
Posts
3
Grad, Ctsly differentiable function on Rn
EDIT: Sorry, I think I posted this in the wrong section. I have moved it to "
Analysis, Topology and Differential Geometry". Please delete it!
Hi,
I h... | 5 | [
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Arthimetic progression help
April 20th 2013, 09:50 AM
Benja303
Arthimetic progression help
7. The 17th term of an AP is 22, and the sum of the first 17 terms is 102. Find
the 1st term and the common difference.
ANSwer: a1=10;d=2
can you please help me understand the working
April 20th 2013, 10:07 ... | 4 | [
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... | 1,593 | 1593 | |
Ideal of ring
December 16th 2009, 08:26 PM #1
Junior Member
Joined
Oct 2009
Posts
44
Ideal of ring
Let $R$ be a commutative ring and $N$ be the ideal of $R$. Show that $\sqrt{N} = \{a\in R | a^n \in N \text{ for some } n\in \mathbb{Z^+}\}$ is also the ideal of $R$.
Let $a, b \in \sqrt{N}$. Then, $a^... | 5 | [
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... | 1,594 | 1594 | |
length of arcs
October 16th 2007, 05:23 PM
checkmarks
length of arcs
The Earth travels in a nearly circular orbit around the Sun. the radius of the orbit is about 149 000 000 km.
What is the measure in radians of the angle subtended at the sun by the positions of the Earth at two different times 24h apart?
... | 4 | [
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Math
Areas related to Circles ncert solutions Chapter 12 Exercise 12.1 Question 3
Areas related to Circles ncert solutions Chapter 12 Exercise 12.1 Question 3
3. Fig depicts an archery target marked with its five scoring regions from the center outwards as Gold, Red, Blue, Black and White. The diameter of the re... | 4 | [
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0.006500244140... | 1,596 | 1596 | |
projections of legs
September 4th 2005, 06:00 AM #1
Member
Joined
Jul 2005
Posts
187
Find projections of legs
Right angeled triangle's legs relate as 3:7 and the height between the vertex (where the angle is 90 degrees) and the hypotenuse is 42 cm. How to find the projections of the legs. The answers are... | 4 | [
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The transmission disequilibrium test (TDT).
Next: About this document Up: Stat 260: Statistics Previous: Rudiments of human
How the TDT came to pass
Ott (1989) and Terwilliger & Ott (1992): saw merit in disaggregating the two genotypes containing a given marker allele, and reformatting the data along the followi... | 4 | [
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Divisible by 7
August 21st 2010, 03:09 PM #16
I might as well add to this.
Suppose that it is true for $K$, i.e. $3^{2K+1}+2^{K+2}}$ is divisible by $7$.
Look at $3^{2(K+1)+1}+2^{(K+1)+2}=3^{2K+3}+2^{K+3}$
So $3^{2K+3}+2^{K+3}=3^{2K+3}+3^2<br /> \cdot 2^{K+2}-3^2\cdot 2^{K+2}+2^{K+2}$$=3^{2}\left(3^{2K... | 5 | [
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