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help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:57:06
plug in cos x = 1/2
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:57:18
or 1/8
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:57:31
no, i dont see this immediately working
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:57:57
,w arccos(1/8)
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
510,789,298,321,096,700
TeXit
03/19/2022 15:58:01
Results provided by WolframAlpha
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:58:11
doesnt appear to be exact.
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
321,445,119,171,756,000
Shuri2060
03/19/2022 15:58:25
so its unlikely you could, then.
0
1
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:20
OH nevermind
1
0
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:22
I am dumb
1
0
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:26
I didn't have to do this
1
0
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:34
:devastation:
1
0
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:40
thanks a lot for your help @Shuri2060
1
0
null
null
null
null
null
1,344
help-10
f64f10fabd4747a2af40a5a6951125a3
444,615,533,162,135,550
Denver Crossbourne
03/19/2022 16:01:42
.close
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:03:22
why is this incorrect
https://cdn.discordapp.c…5309/unknown.png
unknown.png
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:23:04
Why do you say it is wrong?
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
659,407,302,217,957,400
Reinout
03/19/2022 16:27:05
How can i interpret a graph with percentiles on the x axis?
https://cdn.discordapp.c…4172/unknown.png
unknown.png
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:27:45
cuz someone told me its wrong
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:29:00
It seems correct to me
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:30:02
Ask them a value of x that doesn't line up with your answer maybe
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:30:09
So we'll know
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:39:36
its supposed to be -pi/2 < x < -pi/3 or pi/3 < x < pi/2
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:44:11
@Helpers
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:48:45
,w sum k=0 to inf (2cos(1/2(pi/2+pi/3)))^k
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:49:34
It converges also for a value that is not in those intervals though
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:50:14
,w sum k=0 to inf (2cos(1/2(pi/2+2pi/3)))^k
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
510,789,298,321,096,700
TeXit
03/19/2022 16:50:17
Results provided by WolframAlpha
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:54:20
im so confused
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 16:54:37
mark scheme says this
https://cdn.discordapp.c…0278/unknown.png
unknown.png
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 16:56:12
They are taking only positive values of cos(x), would you know why? What is A1A1?
0
1
321,445,119,171,756,000
Shuri2060
9525
a μ-er
false
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:03:13
a1a1 is just marks awarded dw about it
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:03:23
but ye idk why they taking only positive values
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:03:45
should go till -1/2
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 17:04:13
Maybe it is because of part a) of the question?
0
1
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:05:33
bruhhh it is because of that
1
0
551,807,466,631,987,200
Mat
9616
Mat
false
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:05:36
https://cdn.discordapp.c…9114/unknown.png
unknown.png
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:05:46
i didn't see the domain
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:10:28
@Mat thanks for ur help
1
0
null
null
null
null
null
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
551,807,466,631,987,200
Mat
03/19/2022 17:10:46
Np!
0
1
551,807,466,631,987,200
Mat
9616
Mat
false
1,345
help-10
17c6cf6e21e84d38a7b3f980d8a062f2
610,829,937,292,869,600
Skull
03/19/2022 17:10:55
.close
1
0
null
null
null
null
null
1,346
help-10
c4a06442032b427895b95b9a0225572b
644,278,811,294,302,300
Hmz
03/19/2022 17:22:09
https://cdn.discordapp.c…932/IMG_1528.png
IMG_1528.png
1
0
null
null
null
null
null
1,346
help-10
c4a06442032b427895b95b9a0225572b
644,278,811,294,302,300
Hmz
03/19/2022 17:22:24
I need help for ex3 and 4.
1
0
null
null
null
null
null
1,346
help-10
c4a06442032b427895b95b9a0225572b
644,278,811,294,302,300
Hmz
03/19/2022 17:23:10
I’m really bad with series/differential/integrals, but I don’t have choice this time and I had to finish this work
1
0
null
null
null
null
null
1,346
help-10
c4a06442032b427895b95b9a0225572b
644,278,811,294,302,300
Hmz
03/19/2022 17:25:11
For q1 ex3 I supposed limit series inversion must be used, but idk how
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:03:13
https://cdn.discordapp.c…7656/unknown.png
unknown.png
1
0
551,807,466,631,987,200
Mat
9616
Mat
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:03:20
how does this make any sense?
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:03:43
oh wait wrong ss
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:04:10
https://cdn.discordapp.c…5010/unknown.png
unknown.png
1
0
551,807,466,631,987,200
Mat
9616
Mat
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:04:14
this
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:04:54
the first one is a partial sum as the index approaches infinity
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:05:15
and the second one is only evaluating the expression as the variable n approaches infinity
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:05:18
they are not the same
1
0
551,807,466,631,987,200
Mat
9616
Mat
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:05:27
what is it am i getting wrong?
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
261,933,205,387,477,000
riemann
03/19/2022 21:07:55
Partial sums and single expressions are two different things
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:08:22
yea i know as far as i understood the whole thing partial sums are the sequences value at an specific index
1
0
551,807,466,631,987,200
Mat
9616
Mat
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:08:43
series*
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
261,933,205,387,477,000
riemann
03/19/2022 21:08:53
Then what's your question
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:09:04
why are they treating it as an equation
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:09:06
they are not equal
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:09:34
I think they’re saying a_n equals that fraction, and this text writes that lim s_n equals lim a_n
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:09:41
Which is not the case
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
261,933,205,387,477,000
riemann
03/19/2022 21:10:25
Show the whole problem
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:10:33
sure
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:10:46
its this
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:10:47
https://tutorial.math.lamar.edu/Solutions/CalcII/ConvergenceOfSeries/Prob3.aspx
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:11:35
Oh that’s fine
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:11:43
That fraction *is* the nth partial sum
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:12:58
how? to me that actually looks like the nth sequence term
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
261,933,205,387,477,000
riemann
03/19/2022 21:13:15
They tell you it is
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
261,933,205,387,477,000
riemann
03/19/2022 21:13:27
You're not tasked to find out what a_n is
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:13:38
They don’t tell you what a_n actually is
0
1
456,226,577,798,135,800
Deleted User
0000
Deleted User
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:14:03
They do tell you its nth partial sum though
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:14:07
Which is that fraction thing
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:15:03
oh wait is that only the formula to get the sum at a certain index
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:15:25
Yes, that’s the nth partial sum
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:15:28
AHHHHH
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:15:31
Lolll
0
1
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:15:31
thanks
1
0
null
null
null
null
null
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
456,226,577,798,135,800
Deleted User
03/19/2022 21:15:44
thanks a lot of both of you
1
0
456,226,577,798,135,800
Deleted User
0000
Deleted User
false
1,349
help-10
3df916e3bfdd42d3bc55388ed3f7fdcd
307,070,375,735,459,840
abs_0
03/19/2022 21:15:49
No problem lol
0
1
null
null
null
null
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Deleted User
03/19/2022 21:15:51
.close
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CollinMK
03/19/2022 21:21:04
I need more guidance here. Why is this not 1^inf?. Why is it not just 1? And because of this, how do I best get this into a form where I can apply L'h?
https://cdn.discordapp.c…2126/unknown.png
unknown.png
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Navix
03/19/2022 21:30:22
1 + 6/x = (x + 6)/x. you could let the limit be equal to L and take the log of that.
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Navix
03/19/2022 21:33:18
or wait you could actually just use the exponential limit (if you know that)
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Navix
03/19/2022 21:34:08
$e^x = \lim_{n\to\infty} \qty(1 + \frac{x}{n})^n$
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TeXit
03/19/2022 21:34:10
**Navix**
https://cdn.discordapp.c…051794391040.png
392341051794391040.png
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Hexicle
03/19/2022 21:37:34
It is an indeterminant form of the form 1^inf, the problem is that it isn't the number 1, it is a number getting closer to 1. If it were actually the number 1, this would not arise.
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Hexicle
03/19/2022 21:38:20
If you want to use L'Hopital's rule, you would rewrite the limit as $e^{\lim_{x\rightarrow \infty} \frac{\ln(1 + \frac{6}{x} )}{\frac{16}{x}}}$
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TeXit
03/19/2022 21:39:41
**Hexicle**
https://cdn.discordapp.c…349667708931.png
121075349667708931.png
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CollinMK
03/19/2022 21:40:57
Thanks all. Gonna try to figure this out with these pointers. Im a bit out of my bounds here.
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CollinMK
03/19/2022 21:47:24
Got the answer, not confident I could replicate a similar problem without guidance yet. But very thankful.
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Navix
03/19/2022 21:47:48
Mind telling us which approach you used @CollinMK
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Navix
03/19/2022 21:48:13
Good job, nevertheless! :3
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CollinMK
03/19/2022 21:48:50
I ended up using the L'H because this lesson was focused on taht, so I was assuming thats what they were expecting me to use. 🙂 I also dont think ive explicitly been taught exponential limit.
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CollinMK
03/19/2022 21:48:58
Appreciate the options regardless
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CollinMK
03/19/2022 21:49:16
.close
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Raava
03/19/2022 21:57:48
Does the tabular/DI method work on integrals where neither function can be differentiated to 0?
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ramonov
03/19/2022 21:59:27
if used appropriately yes
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Omegabet_
03/19/2022 21:59:29
Yes, however you need to know when to stop it yourself, Tabular is just a quick way of doing IBP repeatedly
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ramonov
03/19/2022 22:00:10
(and depends on the integral)
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Raava
03/19/2022 22:01:22
You’d stop after it gives you the original function then just use algebra to move it to the other side so it no longer repeats right?
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