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help-10
d8f5f406ae7246a48e72fd58e3142e66
456,226,577,798,135,800
Deleted User
01/21/2022 03:41:12
$\chi_{A}(\lambda) = \det(\lambda E_n - A) = 0$
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help-10
d8f5f406ae7246a48e72fd58e3142e66
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TeXit
01/21/2022 03:41:14
**mhD**
https://cdn.discordapp.c…330214293544.png
878046330214293544.png
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matt
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matt
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help-10
d8f5f406ae7246a48e72fd58e3142e66
456,226,577,798,135,800
Deleted User
01/21/2022 03:41:46
but then when I use "matrixcalc.org" to verify my answer I get this used equation
https://cdn.discordapp.c…6009/unknown.png
unknown.png
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matt
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help-10
d8f5f406ae7246a48e72fd58e3142e66
485,903,210,272,391,200
dldh06
01/21/2022 03:42:40
It's both the same, just the terms are swapped
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1
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204
help-10
d8f5f406ae7246a48e72fd58e3142e66
456,226,577,798,135,800
Deleted User
01/21/2022 03:43:19
alright so they result to the same thing?
0
1
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null
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204
help-10
d8f5f406ae7246a48e72fd58e3142e66
485,903,210,272,391,200
dldh06
01/21/2022 03:43:50
Yes
0
1
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204
help-10
d8f5f406ae7246a48e72fd58e3142e66
456,226,577,798,135,800
Deleted User
01/21/2022 03:52:25
okay thanks i might have done something wrong in my calc then
0
1
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:16:57
.reopen
1
0
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:17:29
turns out I had missed out a couple of things BUT now i am actually stuck trying to understand why -5\lambda while it has to be +5\lambda
https://cdn.discordapp.c…0596/unknown.png
unknown.png
1
0
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:18:03
matrixcalc returns \lambda^3 + \lambda^2 + 5 \lambda + 3
1
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:18:20
that damn - is making me loose my crap..
1
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:28:00
i think where the mistake is... its in my eyes
1
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help-10
e8215b82d38b45528b8652b5963e396c
456,226,577,798,135,800
Deleted User
01/21/2022 04:28:02
.close
1
0
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help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:07:08
Hello
1
0
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help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:09:09
Anyone that is good with Matrices/Matrix's? I odnt understand what is a matrix row and finding the number of solutions in an equation thanks to the amount of matrix rows
1
0
null
null
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null
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206
help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:31:22
do you gave an example of an exercise?
0
1
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206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:34:27
https://cdn.discordapp.c…6862/unknown.png
unknown.png
1
0
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null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:35:57
ye
1
0
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null
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null
null
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help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:37:17
well in this particular one there are no solutions.. can you figure out why ?
0
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null
null
null
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206
help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:37:53
you say you dont understand what is a matrix row I mean its just what it is a row in the matrix, 1432 is a row 0125 etc...
0
1
null
null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:38:40
the amount of matrix rows dont help you find the amount of solutions, not really I think you should go over your noted for this onr first
0
1
null
null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:39:14
yeah cause the last one is all 0s but still has a value for the 0000 7 but i dont see the use of knowing how many rows there are
1
0
244,129,917,732,651,000
Deus_Vult
9771
Deus_Vult
false
206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:39:57
Determination of the number of solutions of a linear system using the rank of its augmented matrix
1
0
null
null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:40:20
thats the translated name of what im trying to understand but i dont see the use of it
1
0
null
null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 05:41:32
nvm i found why
1
0
null
null
null
null
null
206
help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:45:29
now that makes for a fuller question lol
0
1
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help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 05:45:37
alright great
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help-10
402b6440bc7f4086845c85d0975ec274
880,135,472,578,461,700
Zamvo
01/21/2022 06:07:40
Thanks for the help!
1
0
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help-10
402b6440bc7f4086845c85d0975ec274
244,129,917,732,651,000
Deus_Vult
01/21/2022 06:11:28
I mean.. haven't done much but sure !
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help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:00:41
Find the number of ways in which we can choose a committee from 4 men and 6 women so that the committee included at least 2 men and exactly twice as many women as men.
1
0
880,135,472,578,461,700
Zamvo
8204
Zamvo
false
207
help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:01:29
There are two possibilities. 2 men and 4 women. 3 men and 6 women.
1
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880,135,472,578,461,700
Zamvo
8204
Zamvo
false
207
help-10
fbd84bc1eb4e4444979d09fa5204c625
277,133,612,812,468,220
HeadShotCem
01/21/2022 08:01:34
yep
0
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Deus_Vult
9771
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:02:03
Now I'm not sure if it should be 4C2 + 6C4 + 4C3 + 6C6 or multiply pairs?
1
0
null
null
null
null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:03:13
There's (4C2)(6C4) ways to make the smaller committee
0
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null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:03:37
That is, choose the men and the women, multiply the number of choices together
0
1
null
null
null
null
null
207
help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:04:05
Why multiply? Why not addition?
1
0
null
null
null
null
null
207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:06:08
Let's say you kept the men the same, but changed the women. That's a completely different committee
0
1
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null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:06:28
So for ALL of the choices of women, there's that many committees
0
1
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null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:06:52
But it is stated that number of women should be double than number of men.
1
0
null
null
null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:06:54
Then, we changed one of the men out, that's a whole extra set of committees for the women again
0
1
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null
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null
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207
help-10
fbd84bc1eb4e4444979d09fa5204c625
356,908,116,429,897,700
Kaynex
01/21/2022 08:07:44
Take an extra read
0
1
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help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:08:26
Ohh i got you.
1
0
null
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help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:08:31
Thanks!
1
0
356,908,116,429,897,700
Kaynex
7520
Kaynex
false
207
help-10
fbd84bc1eb4e4444979d09fa5204c625
456,226,577,798,135,800
Deleted User
01/21/2022 08:08:39
.close
1
0
null
null
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null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 08:25:38
https://cdn.discordapp.c…114132/help1.PNG
help1.PNG
1
0
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null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 08:27:01
https://cdn.discordapp.c…491338/help2.PNG
help2.PNG
1
0
null
null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 08:27:56
https://cdn.discordapp.c…184084/help3.PNG
help3.PNG
1
0
null
null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 08:39:50
@Helpers
1
0
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null
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208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 08:43:11
please?
1
0
null
null
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null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 09:34:42
hello?
1
0
null
null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 09:37:27
or this one please
https://cdn.discordapp.c…903936/help5.PNG
help5.PNG
1
0
null
null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 09:38:22
https://cdn.discordapp.c…621480/help1.PNG
help1.PNG
1
0
null
null
null
null
null
208
help-10
ae290de0f37846a7bad128a2862d72e7
810,012,904,677,703,700
vina
01/21/2022 09:38:28
andthat oe
1
0
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null
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208
help-10
ae290de0f37846a7bad128a2862d72e7
748,029,603,087,384,700
Yours truly
01/21/2022 11:00:52
Hello, which one exactly?
0
1
null
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null
null
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209
help-10
4b52d2e82eb94880acc82d929cda41c2
186,201,209,055,608,830
LEOLELELE
01/21/2022 11:55:14
Heyo, I've been working on a reliable movement for my game for quite some time now, but this has not yet been solved. This is in 3D, so we're working with Vectors. I figured out only yesterday that there is Vector projecting, and I realized that this was VERY helpful for many calculations that I'm doing. When projecti...
https://cdn.discordapp.c…ojecting_pic.png
Projecting_pic.png
1
0
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null
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help-10
4b52d2e82eb94880acc82d929cda41c2
186,201,209,055,608,830
LEOLELELE
01/21/2022 11:57:39
(The colours are a bit misleading, but they have nothing to do with the ususal axis colour scheme) In this picture, plane A would be the red plane, and plane B would be the green one. I want to project the blue arrow (that exists in on the blue plane) onto the red plane, using the perspective of the green one.
1
0
null
null
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help-10
4b52d2e82eb94880acc82d929cda41c2
186,201,209,055,608,830
LEOLELELE
01/21/2022 12:13:58
@Helpers
1
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help-10
4b52d2e82eb94880acc82d929cda41c2
481,266,434,635,202,560
KillerWhale2498
01/21/2022 12:19:54
This might be a good CS question @LEOLELELE
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vina
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209
help-10
4b52d2e82eb94880acc82d929cda41c2
186,201,209,055,608,830
LEOLELELE
01/21/2022 12:21:05
CS?
1
0
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help-10
4b52d2e82eb94880acc82d929cda41c2
261,933,205,387,477,000
riemann
01/21/2022 13:05:49
do you have equations for your planes?
0
1
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help-10
4b52d2e82eb94880acc82d929cda41c2
261,933,205,387,477,000
riemann
01/21/2022 13:06:17
e.g., the green one looks like it could be `z = 5`
0
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null
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null
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209
help-10
4b52d2e82eb94880acc82d929cda41c2
186,201,209,055,608,830
LEOLELELE
01/21/2022 13:06:35
No, I have the normal
1
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LEOLELELE
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209
help-10
4b52d2e82eb94880acc82d929cda41c2
381,971,715,296,722,940
ELeonardo
01/21/2022 13:51:56
I think that you can see a solution by drawing a 2D diagram of this situation
0
1
481,266,434,635,202,560
KillerWhale2498
9849
KillerWhale2498
false
209
help-10
4b52d2e82eb94880acc82d929cda41c2
381,971,715,296,722,940
ELeonardo
01/21/2022 13:52:02
I'll give it a try
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LEOLELELE
7540
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210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:47:40
https://cdn.discordapp.c…5722/unknown.png
unknown.png
1
0
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null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:48:02
would i square first or make 3 posiive first
1
0
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
200,013,547,491,688,450
a disappointing son
01/21/2022 17:48:36
bad notation tbh
0
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186,201,209,055,608,830
LEOLELELE
7540
LEOLELELE
false
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
200,013,547,491,688,450
a disappointing son
01/21/2022 17:48:49
a calculator would square it first then negate the sign
0
1
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null
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null
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210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:53:10
o
1
0
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:53:11
also
1
0
null
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210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:53:20
for this would i add the exponents or multiply the exponents
1
0
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:53:21
https://cdn.discordapp.c…7362/unknown.png
unknown.png
1
0
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:53:28
so ^7 or ^12
1
0
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
200,013,547,491,688,450
a disappointing son
01/21/2022 17:54:58
$(ax^b)^c=a^c\cdot x^{b\cdot c}$
0
1
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
510,789,298,321,096,700
TeXit
01/21/2022 17:55:00
**a disappointing son**
https://cdn.discordapp.c…547491688448.png
200013547491688448.png
0
1
null
null
null
null
null
210
help-10
8ecc97e753fc43c6b2bbf341626ce966
929,969,869,800,239,200
riblix
01/21/2022 17:55:25
so multiply?
1
0
null
null
null
null
null
211
help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:36:43
I am confused here
https://cdn.discordapp.c…0875/unknown.png
unknown.png
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:37:35
So far I've guessed I need to integrate but I don't know why
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:37:54
So have you met the process of separation by variables yet?
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:37:59
oh no wait
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:38:09
hold on I wanna try something
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:38:17
Go on
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:42:22
hmmm yeah nvm
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:42:50
So I have seen separation by variables but it's been 2 months since then and I need a refresher
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:43:08
Ok so I would start off like this
https://cdn.discordapp.c…368/IMG_3208.jpg
IMG_3208.jpg
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:43:47
omg
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:43:51
that is soooooo simple
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:43:56
that's all I needed thank you
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:44:26
idk why I didn't think of that. I saw no t in the equation and I got confused. ahahah
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:44:31
No worries, from there it’s just a matter of integrating both sides and finding C before subbing in the value it gives you
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:44:37
but of course it's t^0
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:44:56
yup ok thank you!!!
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:45:05
and the +c is only on one side right?
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:45:36
Yeah we normally just put it on the right for convenience’s sake
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:46:09
Bc you get two constants when you integrate both sides but then you can just move the C from the left to the one on the right to make a single constant
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:46:28
That’s essentially what we do there when we just put it on the right hand side
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:47:00
yeah it makes sense
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
307,883,823,130,214,400
Stormy
01/21/2022 18:47:25
because it's unknown constants we can make it into one constant
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help-10
e0074eb1e40b47b2a599c5a9cbbc2a02
390,217,982,493,589,570
scawwypapa💀
01/21/2022 18:47:34
Yep
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e34780714fb346cdb69a7c72754fc6ae
456,226,577,798,135,800
Deleted User
01/21/2022 21:32:20
Hey I need help for this simultaneous, elimination question
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