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472
help-10
681c388846c94ab1a73ae845d231f8eb
321,445,119,171,756,000
Shuri2060
02/03/2022 17:00:18
different quadratics, same roots.
0
1
null
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472
help-10
681c388846c94ab1a73ae845d231f8eb
140,298,201,482,788,860
8)
02/03/2022 17:03:08
thx i did that and it worked
1
0
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null
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472
help-10
681c388846c94ab1a73ae845d231f8eb
140,298,201,482,788,860
8)
02/03/2022 17:03:28
yeah i changed the x at the start to x/100
1
0
null
null
null
null
null
472
help-10
681c388846c94ab1a73ae845d231f8eb
140,298,201,482,788,860
8)
02/03/2022 17:03:36
in factored form
1
0
null
null
null
null
null
472
help-10
681c388846c94ab1a73ae845d231f8eb
140,298,201,482,788,860
8)
02/03/2022 17:04:32
https://cdn.discordapp.c…6076/unknown.png
unknown.png
1
0
140,298,201,482,788,860
8)
3522
8)
false
472
help-10
681c388846c94ab1a73ae845d231f8eb
198,191,547,970,355,200
sills
02/03/2022 17:09:47
@8) How did you get 1/100
0
1
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null
null
null
null
472
help-10
681c388846c94ab1a73ae845d231f8eb
198,191,547,970,355,200
sills
02/03/2022 17:10:06
Did you just pick a random number
0
1
null
null
null
null
null
472
help-10
681c388846c94ab1a73ae845d231f8eb
198,191,547,970,355,200
sills
02/03/2022 17:10:29
Or did you plug in values and solve for a
0
1
null
null
null
null
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472
help-10
681c388846c94ab1a73ae845d231f8eb
484,702,191,156,985,860
themateo713
02/03/2022 17:14:55
conveniently lines up with the values on the graph. The people who wrote the problem chose a convenient value and he probably found it by accident
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484,702,191,156,985,860
themateo713
5303
mateo713
false
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help-10
681c388846c94ab1a73ae845d231f8eb
484,702,191,156,985,860
themateo713
02/03/2022 17:15:12
otherwise unless you find a nice value you can only approximate the coefficient
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1
510,789,298,321,096,700
TeXit
0796
TeXit
true
473
help-10
ad41a67c060741d4ba518eb69b910eb0
605,192,790,866,919,400
SRC2019
02/03/2022 17:47:18
Help
1
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help-10
ad41a67c060741d4ba518eb69b910eb0
244,129,917,732,651,000
Deus_Vult
02/03/2022 17:47:45
:JustAsk:
0
1
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473
help-10
ad41a67c060741d4ba518eb69b910eb0
605,192,790,866,919,400
SRC2019
02/03/2022 18:03:09
@Deus_Vult #help-22|smashfielder
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140,298,201,482,788,860
8)
3522
8)
false
474
help-10
736e1ed177094133ac4d62e5e06ce722
605,192,790,866,919,400
SRC2019
02/03/2022 18:20:26
.reopen
1
0
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help-10
736e1ed177094133ac4d62e5e06ce722
605,192,790,866,919,400
SRC2019
02/03/2022 18:28:33
@Helpers
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help-10
736e1ed177094133ac4d62e5e06ce722
200,013,547,491,688,450
a disappointing son
02/03/2022 18:29:23
you haven't asked a question and have multiple channels
0
1
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null
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474
help-10
736e1ed177094133ac4d62e5e06ce722
200,013,547,491,688,450
a disappointing son
02/03/2022 18:29:35
read the rules
0
1
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null
null
null
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474
help-10
736e1ed177094133ac4d62e5e06ce722
605,192,790,866,919,400
SRC2019
02/03/2022 18:29:44
.close
1
0
null
null
null
null
null
475
help-10
711976358d0348abbefb01d3de0d8f7b
278,202,851,719,774,200
manu
02/03/2022 18:47:56
just checking, if I have 1030/2x^2, is that the same as 515x^-2 ?
1
0
null
null
null
null
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475
help-10
711976358d0348abbefb01d3de0d8f7b
329,749,386,315,956,200
Sneaky
02/03/2022 18:50:06
yes
0
1
244,129,917,732,651,000
Deus_Vult
9771
Deus_Vult
false
475
help-10
711976358d0348abbefb01d3de0d8f7b
278,202,851,719,774,200
manu
02/03/2022 18:50:11
brilliant, thank you
1
0
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null
null
null
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475
help-10
711976358d0348abbefb01d3de0d8f7b
329,749,386,315,956,200
Sneaky
02/03/2022 18:50:23
assuming the full 2x^2 is on the denominator
0
1
null
null
null
null
null
475
help-10
711976358d0348abbefb01d3de0d8f7b
278,202,851,719,774,200
manu
02/03/2022 18:50:31
yessir
1
0
null
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null
null
null
475
help-10
711976358d0348abbefb01d3de0d8f7b
278,202,851,719,774,200
manu
02/03/2022 18:50:42
thank you again
1
0
null
null
null
null
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475
help-10
711976358d0348abbefb01d3de0d8f7b
278,202,851,719,774,200
manu
02/03/2022 18:50:43
.close
1
0
null
null
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null
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476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:55:43
alas.. i have another question
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:55:49
.reopen
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:56:57
so closed cuboid with base **2x** * **x** & height **h**
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:57:00
all in cm
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:57:10
capacity (volume) is 1030cm^3
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:57:28
express h in terms of x
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:57:49
volume = (2x*x)*h
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:58:04
aka (2x^2)h
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:58:17
(2x^2)h = 1030
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:58:28
h = 1030/2x^2
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:58:42
so i took h to equal 515x^-2
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:59:12
however in a later question i'm asked to show the surface area is given by A = 4x^2 + 3090/x
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 18:59:35
got the 4x^2 fine but I get 4120 instead of 3090
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:00:09
as in 8x * 515x^-2 = 4120/x
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:01:10
ah
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:02:08
i multiplied the area of 1 'long' face of the cuboid 2xh by 4 (as 4 'long' faces) to get my 8xh
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:02:38
though interestingly if I divide 3090 by 515 I get 6
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:03:05
the number of faces, guessing that's not luck
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:03:26
but why does my multiplying 2xh by 4 to get 8xh not work?
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:03:59
as in not why does it equal 4120 but rather why is that not the way to do it (in my head it seemed logical though clearly not)
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:05:31
looking back I feel this is worded pretty poorly so my apologies if it's unintelligible, it's late haha 😬
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:20:29
to simplifiy
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:20:43
https://cdn.discordapp.c…442/Untitled.png
Untitled.png
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:21:04
h is equal to 1030 / 2x^2
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:21:21
I've simplified h to be 515x^-2
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:21:45
OH
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:22:11
smol brain moment
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:22:16
figured it out
1
0
null
null
null
null
null
476
help-10
66c754d7968a47a0951c7467276d4e85
278,202,851,719,774,200
manu
02/03/2022 19:22:21
.close
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:30:02
if cos (lnx) = 0
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:30:11
why is lnx = pi/2
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:30:20
and not lnx = 1
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:30:29
if you inverse the cos function on both sides
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:39:15
havent worked it out but gonna sleep
1
0
null
null
null
null
null
477
help-10
5a6e1bacf6bc4750bd1a59b254cb523d
289,836,801,953,234,940
temporary
02/03/2022 19:39:17
.close
1
0
null
null
null
null
null
478
help-10
aeef3c70a6e44cf1b3d25a2b699271dc
456,226,577,798,135,800
Deleted User
02/03/2022 19:41:37
i^{60}-i^{112}+10i^{93}-6i^{36} i 60 −i 112 +10i 93 −6i 36
1
0
null
null
null
null
null
478
help-10
aeef3c70a6e44cf1b3d25a2b699271dc
456,226,577,798,135,800
Deleted User
02/03/2022 19:41:44
woah
1
0
null
null
null
null
null
478
help-10
aeef3c70a6e44cf1b3d25a2b699271dc
456,226,577,798,135,800
Deleted User
02/03/2022 19:41:46
wrong thing
1
0
null
null
null
null
null
478
help-10
aeef3c70a6e44cf1b3d25a2b699271dc
456,226,577,798,135,800
Deleted User
02/03/2022 19:41:48
hold on
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 03:47:11
.reopen
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 03:47:38
@Filga so do i understand correctly that you are describing the following function? f: {all circles in the plane} -> R f(C) = length of C
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 03:58:17
if so, then this function _does not_ have an inverse.
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 03:58:34
you can take two circles of the same radius but with different centers, and your function will map them both to the same number.
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
782,319,730,160,959,500
Filga
11/06/2021 04:08:19
but if radius of two circles are the same why they are different ? just because you can put them at different location on a plane ?
0
1
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 04:14:21
i mean, WHERE a circle is matters just as much as how big it is, no?
1
0
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
782,319,730,160,959,500
Filga
11/06/2021 04:17:23
ok . in this case if coordinates of a center of circle matters then I understand. But what if we see no difference between circles if they have equal radius ?
0
1
null
null
null
null
null
480
help-10
98d607ba2d5d43089a7165b7adf881d7
183,668,144,404,037,630
Ann
11/06/2021 04:18:11
then i guess you will have your inverse...
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 20:48:34
Hello
1
0
782,319,730,160,959,500
Filga
9354
Filga
false
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 20:48:45
I need help with this question
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 20:48:48
https://cdn.discordapp.c…051/IMG_1992.jpg
IMG_1992.jpg
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 20:48:54
How would I start
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
411,882,877,933,060,100
Herels
02/03/2022 20:55:35
by writing both expression of n! and (n+1)!
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
321,445,119,171,756,000
Shuri2060
02/03/2022 21:01:10
Try for a few small n
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
321,445,119,171,756,000
Shuri2060
02/03/2022 21:01:15
Like n = 5
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
321,445,119,171,756,000
Shuri2060
02/03/2022 21:01:19
3
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
321,445,119,171,756,000
Shuri2060
02/03/2022 21:01:21
8
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:09:37
what does that mean
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
411,882,877,933,060,100
Herels
02/03/2022 21:10:12
n! = ??? (n+1)! = ???
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:12:10
I am not getting it
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:12:24
is n! = 1,2,3,4 ...
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
411,882,877,933,060,100
Herels
02/03/2022 21:13:10
n! is equal to what ._.
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:13:37
idk
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:13:47
is it that?
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
411,882,877,933,060,100
Herels
02/03/2022 21:13:54
if you dont know what factorial are, then do an other exercise
0
1
411,882,877,933,060,100
Herels
1420
Herels
false
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
411,882,877,933,060,100
Herels
02/03/2022 21:14:34
no it doesnt make any sense
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:16:54
so what does n! equal to
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
706,934,233,012,371,600
Ansh_
02/03/2022 21:20:45
(ヘ・_・)ヘ┳━┳
https://cdn.discordapp.c…d283a50a2cbc.jpg
Screenshot_2022-02-04-07-50-28-73_e4424258c8b8649f6e67d283a50a2cbc.jpg
0
1
321,445,119,171,756,000
Shuri2060
9525
a μ-er
false
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
186,109,587,366,215,680
Omegabet_
02/03/2022 21:21:04
$n!=n(n-1)(n-2)...(2)(1)$ cause it's hard to google
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
510,789,298,321,096,700
TeXit
02/03/2022 21:21:07
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
510,789,298,321,096,700
TeXit
02/03/2022 21:21:22
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:27:03
oh ok
1
0
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
266,397,602,172,370,940
AbinDaGoat
02/03/2022 21:28:02
is the answer to this question 1/n+1?
1
0
266,397,602,172,370,940
AbinDaGoat
7176
AbinDaGoat
false
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
186,109,587,366,215,680
Omegabet_
02/03/2022 21:28:19
:PARENS:
0
1
411,882,877,933,060,100
Herels
1420
Herels
false
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
186,109,587,366,215,680
Omegabet_
02/03/2022 21:28:28
it isn't $\frac{1}{n}+1$
0
1
null
null
null
null
null
481
help-10
5d139f7c5363473faa6c40d91e2e89d3
510,789,298,321,096,700
TeXit
02/03/2022 21:28:30
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
0
1
null
null
null
null
null