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850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:11:56
cause that also follows a Bin distribution
0
1
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
221,325,678,983,905,280
Stewie0107
02/23/2022 12:12:35
ok but back to my first problem, how am i supposed to solve it?
1
0
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null
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850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:12:59
What specific distribution does X follow?
0
1
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:13:02
ie what parameters
0
1
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
221,325,678,983,905,280
Stewie0107
02/23/2022 12:13:26
sorry english is not my first language, what do you by that?
1
0
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:13:41
$X\sim \operatorname{Bin}(n,p)$ what are n and p?
0
1
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
510,789,298,321,096,700
TeXit
02/23/2022 12:13:43
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
0
1
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:13:53
n being the number of trials p being the probability of success
0
1
null
null
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null
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850
help-10
b87911c0e8ea4faab58e6d3cab35827e
221,325,678,983,905,280
Stewie0107
02/23/2022 12:14:08
10 and 9
1
0
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null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:14:54
9 isn't a probability
0
1
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850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:15:03
p is between 0 and 1
0
1
null
null
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null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
221,325,678,983,905,280
Stewie0107
02/23/2022 12:15:20
0,9
1
0
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:15:40
They always score a goal....?
0
1
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null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
221,325,678,983,905,280
Stewie0107
02/23/2022 12:15:56
0.9
1
0
null
null
null
null
null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:16:28
yes
0
1
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null
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null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:16:39
so then just plug everything into the formula
0
1
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850
help-10
b87911c0e8ea4faab58e6d3cab35827e
186,109,587,366,215,680
Omegabet_
02/23/2022 12:16:54
$P(X=x)=\binom{n}{x}p^x(1-p)^{n-x}$
0
1
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null
850
help-10
b87911c0e8ea4faab58e6d3cab35827e
510,789,298,321,096,700
TeXit
02/23/2022 12:16:57
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:47:28
Answer is B
https://cdn.discordapp.c…740/IMG_1541.jpg
IMG_1541.jpg
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:47:43
Not sure where I went wrong
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:48:28
Incline dynamics
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:48:38
F_gsin(theta) is component down the incline
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:51:39
Yeah
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:52:15
yeah
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:52:23
Wdym
1
0
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null
851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:52:29
you didn't write that
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:52:32
you wrote cos(theta)
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:53:01
Fg = mg and canceled the m
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:53:12
**You wrote cos instead of sin**
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:53:22
Oohhh
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:53:32
Did I really need to repeat that?
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:53:33
F parallel is cos tho
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:53:45
acceleration is down the incline
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:53:54
cause it's assumed to not leave the incline
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:54:10
so ma only considers forces *along the slope*
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:54:24
$\sum F_x=ma \\ \sum F_y=0$
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
510,789,298,321,096,700
TeXit
02/23/2022 12:54:28
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
0
1
null
null
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null
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:55:48
I don’t follow
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:56:31
What do I need to change
1
0
null
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:57:00
.
0
1
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null
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:57:19
The component of gravity is wrong.
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 12:59:03
So I use sin for Friction ?
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:59:30
friction is a whole other story.
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:59:40
Please: read what I am saying
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:59:44
Cause you're clearly not
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 12:59:54
The component **of gravity** is wrong
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:00:01
Nowhere did I say friction was wrong
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:00:49
So I don’t cancel m and keep it as fg
1
0
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help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:00:59
OMFG
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:01:02
Read
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:01:08
You used cosine instead of sine
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:01:24
And don't change the subject.
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:01:50
For the component of gravity down the incline, you used cosine instead of sine.
0
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help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:01:59
I use sine for both ?
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:02:08
Are you purposefully not reading?
0
1
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help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:02:25
I am I just don’t understand what u mean by down the incline
1
0
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help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:02:36
do you know what an incline is?
0
1
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help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:02:38
Yes or no?
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:02:42
Yes
1
0
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null
851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:02:51
So the vector components along the incline.
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:03:05
The gravity component down the incline uses sine not cosine.
0
1
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help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:03:58
Okay I understand that part but what gravity component is down the incline
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:04:08
The one that **points along the incline**
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:04:49
Which point is thattt
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:04:56
Point**s**
0
1
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:05:04
the adjective describing direction
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
186,109,587,366,215,680
Omegabet_
02/23/2022 13:05:08
not a point in space.
0
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help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:06:03
Where do I put sine in
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:06:43
Sorry man but we haven’t directly learned about what you are talking about
1
0
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851
help-10
203cf452dd274041a92cd6e235be93d5
758,166,811,199,012,900
1000
02/23/2022 13:07:08
I just need to find the coefficient of friction
1
0
null
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
261,933,205,387,477,000
riemann
02/23/2022 13:40:10
do you have an example? the right hand side is already as simplified as it gets
1
0
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
261,933,205,387,477,000
riemann
02/23/2022 13:41:31
oh you mean $f(k) = f(1) + ... + f(k-1)$ for all integers $k$
1
0
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
510,789,298,321,096,700
TeXit
02/23/2022 13:41:34
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
0
1
null
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
261,933,205,387,477,000
riemann
02/23/2022 13:41:58
that's not the same as "some integer"
1
0
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
261,933,205,387,477,000
riemann
02/23/2022 13:42:11
generalize this
1
0
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help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
261,933,205,387,477,000
riemann
02/23/2022 13:42:18
write $f(4)$ and $f(5)$
1
0
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null
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
510,789,298,321,096,700
TeXit
02/23/2022 13:42:21
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
0
1
null
null
null
null
null
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
826,318,983,413,366,800
Cogwheels of the mind
02/23/2022 13:43:29
$a_{n}=S_{n-1}$ so $a_{n}=S_{n}-S_{n-1}=a_{n+1}-a_{n}$, $a_{n+1}=2a_{n}$
0
1
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
510,789,298,321,096,700
TeXit
02/23/2022 13:43:31
**Cogwheels of the mind**
https://cdn.discordapp.c…983413366824.png
826318983413366824.png
0
1
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null
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
510,789,298,321,096,700
TeXit
02/23/2022 13:44:12
**Mathgeek007**
https://cdn.discordapp.c…111505956867.png
644866111505956867.png
0
1
null
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null
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
826,318,983,413,366,800
Cogwheels of the mind
02/23/2022 13:45:12
Oh yes S_n is the sum of a_k k from 1 to n
0
1
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852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
510,789,298,321,096,700
TeXit
02/23/2022 13:45:35
**Mathgeek007**
https://cdn.discordapp.c…111505956867.png
644866111505956867.png
0
1
null
null
null
null
null
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
826,318,983,413,366,800
Cogwheels of the mind
02/23/2022 13:45:41
Definition of S_n
0
1
644,866,111,505,956,900
BLACK1
3122
BLACK1
false
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
826,318,983,413,366,800
Cogwheels of the mind
02/23/2022 13:46:08
Sum of first n terms minus sum of first n-1 term, that leaves you only the n th term
0
1
644,866,111,505,956,900
BLACK1
3122
BLACK1
false
852
help-10
f5c5b69d0fdf4fe08d20cee7a2e7dcbc
826,318,983,413,366,800
Cogwheels of the mind
02/23/2022 13:46:41
Oh that’s you. Goodbye
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 13:55:24
Compute the sum $$\frac{2}{1 \cdot 2 \cdot 3} + \frac{2}{2 \cdot 3 \cdot 4} + \frac{2}{3 \cdot 4 \cdot 5} + \cdots$$
1
0
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
510,789,298,321,096,700
TeXit
02/23/2022 13:55:27
**kaniii**
https://cdn.discordapp.c…459459895377.png
894935459459895377.png
0
1
644,866,111,505,956,900
BLACK1
3122
BLACK1
false
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 13:56:11
so,using partial fraction decomposition, I was able to write every term as $\frac{1}{n-1}+\frac{-2}{n}+\frac{1}{n+1}$
1
0
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
510,789,298,321,096,700
TeXit
02/23/2022 13:56:13
**kaniii**
https://cdn.discordapp.c…459459895377.png
894935459459895377.png
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 13:56:28
now, im not sure how to use telescoping to combine and eliminate terms
1
0
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
261,933,205,387,477,000
riemann
02/23/2022 13:57:30
does your sum start at n=2?
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
261,933,205,387,477,000
riemann
02/23/2022 13:58:24
write out the sum for n=2, 3, 4, 5
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 14:01:34
yes
1
0
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 14:12:02
4/3 -> 59/24 -> 141/40 -> 137/30 ->
1
0
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
261,933,205,387,477,000
riemann
02/23/2022 14:12:29
i mean don't simplify. you should see cancellations if you write out the summands
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
261,933,205,387,477,000
riemann
02/23/2022 14:12:59
$(a_1 + b_1 + c_1) + (a_2 + b_2 + c_2) + (a_3 + b_3 + c_3) + (a_4 + b_4 + c_4) + ...$
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
510,789,298,321,096,700
TeXit
02/23/2022 14:13:01
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
261,933,205,387,477,000
riemann
02/23/2022 14:13:23
where this is $a_n + b_n + c_n$
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
510,789,298,321,096,700
TeXit
02/23/2022 14:13:25
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
0
1
null
null
null
null
null
853
help-10
a52fe7eb9c9b4815bfeb9668033c8e5e
456,226,577,798,135,800
Deleted User
02/23/2022 14:15:38
i did that but i couldnt really find any
1
0
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null