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help-10
8ef3ba33b59d438abcc1b048ab91aa36
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 03:24:29
Yes
0
1
null
null
null
null
null
1,237
help-10
8ef3ba33b59d438abcc1b048ab91aa36
461,790,531,161,161,700
zafakhyousay
03/14/2022 03:26:12
thanks
1
0
null
null
null
null
null
1,237
help-10
8ef3ba33b59d438abcc1b048ab91aa36
461,790,531,161,161,700
zafakhyousay
03/14/2022 03:26:13
.close
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 03:50:26
https://cdn.discordapp.c…cZmP6dGQw556.png
xzZX2xta7J6gArUAm5EgPdTYkwYVrLDdUjuNKJzlgiH25PIcEQBwCU_rF9mSveI_DouHhn-3XGDIkN7Qg6hVP5ybFmqOAQwd29ry-GjVBFNKVRGb9QxhIs_kdBcZmP6dGQw556.png
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 03:50:29
circles have radius 1
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 03:50:36
how do i find the length of the square
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 03:50:50
the line is straight, top 2 points are tangent
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 03:55:28
(a,2a) is on the cycle (x-1)^2+(y-1)^2=1
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 03:56:07
(a-1)^2+(2a-1)^2=1, quadratic, solve a, the answer is 2a
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 04:00:00
Two roots then rule out one root
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
748,029,603,087,384,700
Yours truly
03/14/2022 04:00:18
Don't give the answer right away atleast.
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
748,029,603,087,384,700
Yours truly
03/14/2022 04:00:20
...
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 04:00:37
Edited
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
748,029,603,087,384,700
Yours truly
03/14/2022 04:00:50
You legit gave the answer even now though.
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
748,029,603,087,384,700
Yours truly
03/14/2022 04:01:24
Right, now it works.
0
1
826,318,983,413,366,800
Cogwheels of the mind
9367
Cogwheels of the mind
false
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 04:01:31
👍
0
1
461,790,531,161,161,700
zafakhyousay
9797
zafakhyousay
false
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
748,029,603,087,384,700
Yours truly
03/14/2022 04:01:33
:pandaWow:
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 04:07:53
all good
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 04:08:27
wait wdym
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
826,318,983,413,366,800
Cogwheels of the mind
03/14/2022 04:09:30
Use coordinates
0
1
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 04:25:12
ah got it
1
0
null
null
null
null
null
1,238
help-10
ee0f8a0504c541c893a1621a7c05a225
350,923,327,801,655,300
mat
03/14/2022 04:25:12
ty
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:21:24
Yo I have a physics question I dont get
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:22:34
‘An object (with mass 40 kg) is lifted through a rope. Its acceleration is 2 m/s^2 (to the bottom). What is the force that the rope applies to the object?’
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:22:54
And the answer is 232 N. Im not getting it tbh
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:25:00
What I did is `Fy = (40*2) - (40*9.81)`
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:25:13
But its completely wrong :KEK:
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:30:34
yo what does it mean by the acceleration is 2ms^-2 downwards
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:30:41
isnt the downwards acceleration the weight force
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:31:11
as the mass is being lifted shouldnt it mean that the net acceleration of the body is 2 ms^-2 upwards
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:31:18
I have no idea
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 05:31:30
I thought that just meant that the lifting is getting slower but idk
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:31:40
hmm
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:45:21
ah ok i got it
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:45:40
so you need to use two formulae
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:45:54
when it says the acceleration is downwards that is your first formula
0
1
826,318,983,413,366,800
Cogwheels of the mind
9367
Cogwheels of the mind
false
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:46:30
You know that the net vertical force is equal to the tension in the rope minus the downwards force.
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:46:46
Meaning you have two unkowns
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:46:49
$F_y=T-ma$
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:47:08
you need to derive another formula to find the **tension force** in the string
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:48:09
note: the downwards acceleration took into account weight, that is why you can safely say the net force equals the tension take away the downwards force (F = ma) of the object, where a is given
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 05:50:57
does that make any sense 🤔, there is just one more formula you need to find T
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
510,789,298,321,096,700
TeXit
03/14/2022 05:55:56
**OGC**
https://cdn.discordapp.c…062395015188.png
437146062395015188.png
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:00:54
Im not sure why we need to remove ma from the found Tension
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:02:49
So what I did is `Fy = ma` Which means `F + 392,4 = -80` Where -80 is ma and 392,4 is `40*9.81`
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:03:12
In which case I get F = 312 And 312 - 80 is indeed the solution
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:03:30
Tho I dont understand this last step
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:05:11
Ye, so this problem was set such that it directly gave you the net upwards force (the unkown) and the net downwards force... You know this, because when it says string attached to a mass, you clearly know tension is the only force up, however, when it gives you the acceleration it refers to the net downawards accelerat...
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:06:16
So you only have two forces to work with in the vertical direction, and taking the vector sum you end up with Fy = T - ma.
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:06:45
In this scenario you didnt take into account the tension force acting in the vertical direction.
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:07:18
you considered the net force as the net force of the entire system, whereas the question refers to the downward acceleration as downwards, hence, opposing the tension.
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:07:44
The difference between these forces is what generates the upwards force, so if the forces were equal you would have an equilibrium
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:08:28
Brb 5 min ill try to read everything very carefully lol
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:08:36
Thanks meanwhile btw very helpful 🙂
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:08:46
ye np take ur time 👍
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:10:48
just try to consider that there are only two forces: the tension and the downwards force, and the question made it easier for you in giving you the net acceleration, which allows you to find the net downwards force
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:54:58
Oh wait I think I can see it now
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:55:29
Because the question wants us to find the force that is applied, which is the summ of all forces on the y axis
1
0
431,944,088,204,607,500
intrusion
0878
intrusion
false
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:56:03
So since the acceleration is negative F == 40*-2 which is -80
1
0
431,944,088,204,607,500
intrusion
0878
intrusion
false
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:56:25
But the weight force downwards is still the same as I calculated, which is 40*9.81
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:56:54
So the sum between -80 and (40*9.81) and then remove 80
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:58:34
$F_y=T-ma$
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
510,789,298,321,096,700
TeXit
03/14/2022 06:58:36
**OGC**
https://cdn.discordapp.c…062395015188.png
437146062395015188.png
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:58:43
this is the net vertical force ye
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 06:58:48
Yeah that
1
0
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 06:58:58
so u have everything except T
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 07:00:01
find one more equation
0
1
431,944,088,204,607,500
intrusion
0878
intrusion
false
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 07:00:08
it also would have ma in it
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
437,146,062,395,015,200
OGC
03/14/2022 07:00:42
its a more general equation which u may be used to in tension/pulley problems
0
1
null
null
null
null
null
1,239
help-10
da2c65f861b84226b743e4f629d82554
431,944,088,204,607,500
intrusion
03/14/2022 07:01:18
Got it now, thanks again 👍
1
0
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
437,146,062,395,015,200
OGC
03/14/2022 07:02:35
ye all good
1
0
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:07:18
https://cdn.discordapp.c…0368/unknown.png
unknown.png
0
1
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:08:07
Who do you do b) it makes little sense. What I did was I found 2A, 3C and 4B
0
1
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:08:31
when By the look of it if i add 2A+3C it doesnt = 4B
0
1
437,146,062,395,015,200
OGC
9156
OGC
false
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:09:06
Subtract the multiplication of 4 with B and multiplication of 2 with A
0
1
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:09:14
The divide the whole thing with 3
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:09:25
but why?
0
1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:09:25
(4B-2A)/3
0
1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:09:45
I cant do it with 2A+3C?
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:09:53
seems a little weird
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:10:16
I see what you did
0
1
null
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null
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:10:26
Firstly, the C that you calculated in question a or c is not applicable for b
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:10:28
Am i finding the value of C?
0
1
null
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:10:36
O
0
1
null
null
null
null
null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:11:08
the Matrix C in all the 3 questions a, b and c have different values
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:11:42
Okay I thought C would be the same for whatever reason. Thanks for clarifying
0
1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
798,063,099,387,052,200
Anonymous User
03/14/2022 07:11:54
Since 2A+3C = 4B, By solving algebraically, 3C = 4B-2A C = (4B-2A)/3
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:12:07
Yea
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:14:28
Yep awesome got the same answer
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1
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1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:14:32
Thank you!
0
1
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null
1,240
help-10
fd1754c60ed445af9e43ff2f31b81c2e
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:14:34
.close
0
1
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1,241
help-10
091c72f2f8694f02ad20d870478da520
869,296,555,801,342,000
gnu
03/14/2022 07:18:38
How does this converge at .75
https://cdn.discordapp.c…660/IMG_3901.png
IMG_3901.png
1
0
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1,241
help-10
091c72f2f8694f02ad20d870478da520
869,296,555,801,342,000
gnu
03/14/2022 07:18:47
I understand that the limit is 0 and therefore the numbers added get smaller
1
0
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1,241
help-10
091c72f2f8694f02ad20d870478da520
869,296,555,801,342,000
gnu
03/14/2022 07:19:09
But I’m lost on how the numbers sum to 3/4
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0
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help-10
091c72f2f8694f02ad20d870478da520
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:48:52
Thats really strange, I dont know if thats right.
0
1
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1,241
help-10
091c72f2f8694f02ad20d870478da520
896,224,543,738,306,600
Ex-FighterMan0
03/14/2022 07:49:02
but then again I'm not the brightest in math so
0
1
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1,241
help-10
091c72f2f8694f02ad20d870478da520
754,919,290,355,843,200
Shaaan Yanggg
03/14/2022 07:58:20
I’m guessing that the summation series goes: 1/3 + 1/8 + 1/15 + 1/24 … Right?
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1
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help-10
091c72f2f8694f02ad20d870478da520
872,522,429,765,918,700
vicarious
03/14/2022 08:01:29
u can split that expression and express in terms of two partial fractions and proceed from that stage, it'll become more clear to you
0
1
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1,241
help-10
091c72f2f8694f02ad20d870478da520
869,296,555,801,342,000
gnu
03/14/2022 08:01:48
https://cdn.discordapp.c…418/IMG_3902.png
IMG_3902.png
1
0
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1,241
help-10
091c72f2f8694f02ad20d870478da520
869,296,555,801,342,000
gnu
03/14/2022 08:01:51
I got to here
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0
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