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help-10
0236be58eb55427e9bfb3b067ba31dbc
510,789,298,321,096,700
TeXit
02/28/2022 17:03:10
**a disappointing son**
https://cdn.discordapp.c…547491688448.png
200013547491688448.png
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0236be58eb55427e9bfb3b067ba31dbc
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Remavas
02/28/2022 17:03:30
$\frac{\cancelto{1}{x-1}}{\cancelto{1}{x-1}} = 1$
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brandon barber
4492
brandon barber
false
966
help-10
0236be58eb55427e9bfb3b067ba31dbc
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TeXit
02/28/2022 17:04:33
**Remavas**
https://cdn.discordapp.c…980977336321.png
373884980977336321.png
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help-10
0236be58eb55427e9bfb3b067ba31dbc
777,469,972,343,423,000
Nix
02/28/2022 17:04:43
oh
1
0
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help-10
0236be58eb55427e9bfb3b067ba31dbc
777,469,972,343,423,000
Nix
02/28/2022 17:04:45
yeah i see
1
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help-10
0236be58eb55427e9bfb3b067ba31dbc
777,469,972,343,423,000
Nix
02/28/2022 17:04:50
thanks
1
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help-10
0236be58eb55427e9bfb3b067ba31dbc
777,469,972,343,423,000
Nix
02/28/2022 17:04:53
.close
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:12:05
How should I go about proving that for multi-variable function f(a,b,c), where c is an arbitrary natural number, you can find number a and b that make the result be a positive integer?
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:12:39
do you have a function? this isn't true in general
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:12:57
yes, let me find the pic for it real quick
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:13:19
https://cdn.discordapp.c…920930816-14.png
382977855920930816-14.png
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:13:37
FFS
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:13:37
@riemann
1
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:14:17
if you can prove the numbers underneath the cubic root are positive and p is positive, then you're done?
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:14:43
well, not really. That doesn't make sure it's an integer
1
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967
help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:15:04
oh positive integer. then just make it a cube of some number
0
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967
help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:15:34
$q \pm \sqrt{q^2 + (r-p^2)^3} = n_{\pm}^3$ for some $n_{\pm} \in \N$
0
1
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null
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967
help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
510,789,298,321,096,700
TeXit
02/28/2022 17:15:55
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:16:05
not in the naturals because it can be a rational number
1
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:16:14
p does the job of making it natural at the end result
1
0
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:16:36
p has to be a multiple of 3 right?
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:17:21
what are you saying can be a rational number
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Duhon
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967
help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:17:29
not necessarily, you can have c = 2, a = 5, b = 2
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:17:46
oh i see what you mean
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
261,933,205,387,477,000
riemann
02/28/2022 17:18:02
yea i'm just trying to make all the summands integers
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help-10
3f88dc052d5e44ef9ea53bf1bdb9a2c3
382,977,855,920,930,800
Duhon
02/28/2022 17:18:42
we could adapt your strategy to make each of the summands rational, then say that their sum is always an integer
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riemann
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Duhon
02/28/2022 17:33:59
thanks riemann
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help-10
c280a1f3d3d44675a2e009037073ec56
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ducktape
02/28/2022 17:43:01
in this definition of compactness, why does it say X = ... and not X ⊂ ... ?
https://cdn.discordapp.c…8303/unknown.png
unknown.png
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help-10
c280a1f3d3d44675a2e009037073ec56
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ducktape
02/28/2022 17:43:47
I thought the definition of open cover only required X to be a subset of the union of open sets
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969
help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:49:45
There are 2 versions of defn of cover
0
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help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:50:19
So we have a topological space X, and a subset S within it.
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help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:50:31
We are now interested in possible definitions for an open cover of S ===
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riemann
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969
help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:50:44
I believe the following are equivalent... (but check):
0
1
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help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:52:59
- An open cover of S is a collection of open sets in X whose union contain S - An open cover of S is a collection of open sets in *the subspace topology S* whose union equals S
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969
help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:53:14
=== The last definition is what you're seeing on wikipedia
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Duhon
1833
Duhon
false
969
help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:54:01
The open sets of the subspace topology S are exactly the open sets of X intersect S, which should lead these 2 defns to being equivalent, basically.
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riemann
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help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:57:48
@ducktape ^
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help-10
c280a1f3d3d44675a2e009037073ec56
321,445,119,171,756,000
Shuri2060
02/28/2022 17:58:45
Also this elaborates further I think https://math.stackexchange.com/questions/1733448/difference-in-definition-of-a-cover
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help-10
c280a1f3d3d44675a2e009037073ec56
539,650,346,335,862,800
ducktape
02/28/2022 18:02:46
Ah, thank you @Shuri2060
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help-10
c280a1f3d3d44675a2e009037073ec56
539,650,346,335,862,800
ducktape
02/28/2022 18:02:50
.close
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1
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 18:34:18
https://cdn.discordapp.c…BC0C301EF712.jpg
91B97CDE-61D1-4B20-9DB8-BC0C301EF712.jpg
1
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
880,503,100,711,010,300
Rylo
02/28/2022 18:38:38
do you remember the theorem
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
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rocks4life
02/28/2022 18:41:18
EF= CE+ DE
1
0
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 18:42:59
https://cdn.discordapp.c…447/IMG_1150.png
IMG_1150.png
1
0
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null
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null
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970
help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 18:43:05
that’s where i got sticks
1
0
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 18:43:07
stuck
1
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 18:43:17
and i put it in photomath and it don’t pop up with anything
1
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
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rocks4life
02/28/2022 19:01:29
@Helpers
1
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
885,345,346,664,939,500
Coldplay
02/28/2022 19:23:47
I think CE is supposed to be 2x + 7 instead of x squared plus 7
0
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
885,345,346,664,939,500
Coldplay
02/28/2022 19:23:51
I suggest you try that
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ducktape
2884
ducktape
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970
help-10
0bf4be7e05a844619a45fe9bc2ff7349
885,345,346,664,939,500
Coldplay
02/28/2022 19:29:52
@rocks4life
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
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rocks4life
02/28/2022 19:30:17
ty so much
1
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Shuri2060
9525
a μ-er
false
970
help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 19:30:46
i misunderstood how to add xs smh
1
0
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help-10
0bf4be7e05a844619a45fe9bc2ff7349
898,954,369,171,615,900
rocks4life
02/28/2022 19:34:12
.close
1
0
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null
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:38:21
https://media.discordapp…h=507&height=676
1
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:38:33
I dont understand how to solve it
1
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:38:37
I guessed on it
1
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:39:12
simplify the given fraction
0
1
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null
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:39:36
how would i simplify 1/x+2?
1
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:39:49
1/(x+2) itself is simplified
0
1
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971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:40:06
$$\frac{1}{\frac{1}{4}+\frac{1}{6}}$$
0
1
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null
null
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971
help-10
cef99b62d3ae4094afba8580b8173e48
510,789,298,321,096,700
TeXit
02/28/2022 19:40:09
**Shuri2060**
https://cdn.discordapp.c…119171756033.png
321445119171756033.png
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:40:11
so simplified it would be 2/2x+5?
1
0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:40:11
Try this. Can you?
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rocks4life
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rocks4life
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:40:19
Definitely not.
0
1
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:40:28
assuming you mean 2/(2x+5) no
0
1
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971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:40:29
Do you know how to add fractions?
0
1
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:40:38
ye
1
0
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null
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971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:40:53
I don't see you doing it correctly
0
1
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971
help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:40:54
$\frac{1}{1} + \frac{1}{1} \neq \frac{1+1}{1+1}$
0
1
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null
null
null
null
971
help-10
cef99b62d3ae4094afba8580b8173e48
510,789,298,321,096,700
TeXit
02/28/2022 19:40:57
**ℝamonov**
https://cdn.discordapp.c…274845577216.png
220517274845577216.png
0
1
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null
null
null
null
971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:41:00
10/24?
1
0
null
null
null
null
null
971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:41:09
https://cdn.discordapp.c…119171756033.png
321445119171756033.png
0
1
null
null
null
null
null
971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:41:13
its 1/(10/24)
0
1
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:41:14
oh
1
0
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null
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971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:41:17
yeah
1
0
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null
null
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null
971
help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:41:27
24/10
0
1
null
null
null
null
null
971
help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:41:29
i never worked with a fraction over a fraction
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0
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:41:34
besides negative exponents
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0
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:41:41
well take things one step at a time
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:41:54
Try this for your original question
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:42:06
`1/(x/y) = y/x`
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:42:10
You should hopefully know this, which is needed in the last step.
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:42:51
https://cdn.discordapp.c…8430/unknown.png
unknown.png
1
0
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:42:52
just making sure
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0
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:43:06
cause doing / is confusing for me
1
0
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:44:11
i dont
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0
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971
help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:44:43
if that top fraction line is distinctly longer than the bottom line implying $$\frac{1}{\br{\frac xy}}$$ then yes
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
510,789,298,321,096,700
TeXit
02/28/2022 19:44:46
**ℝamonov**
https://cdn.discordapp.c…274845577216.png
220517274845577216.png
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:45:15
does there need to be a parenthesis?
1
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:46:30
not necessarily, depends on how well you write your math but they do make things a lot clearer
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:46:34
oh
1
0
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help-10
cef99b62d3ae4094afba8580b8173e48
217,458,348,205,801,470
Komi
02/28/2022 19:46:58
going from here, why did they flip the denominator and numerator of the fraction under 1?
1
0
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:48:30
you should revise elementary algebra laws for fraction
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:48:33
if you did not know this
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:48:42
a definition of division
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:48:43
1 divided by a half is 2
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
321,445,119,171,756,000
Shuri2060
02/28/2022 19:48:53
because 2 times a half = 1
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:49:36
division is multiplication of the reciprocal
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1
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help-10
cef99b62d3ae4094afba8580b8173e48
220,517,274,845,577,200
ramonov
02/28/2022 19:50:00
you could also consider $$\frac{1}{\br{\frac xy}} \cdot \frac yy = \frac{y}{x}$$
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1
321,445,119,171,756,000
Shuri2060
9525
a μ-er
false