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help-1
5361c97d07f64c909ed707da486d5084
183,668,144,404,037,630
Ann
01/30/2022 05:42:32
no
0
1
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null
205,760
help-1
5361c97d07f64c909ed707da486d5084
183,668,144,404,037,630
Ann
01/30/2022 05:42:42
i can give you many examples where the same logic will fail
0
1
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
183,668,144,404,037,630
Ann
01/30/2022 05:42:56
the value of your function at x=10 tells you almost nothing about the limit
0
1
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
258,747,298,463,350,800
+*
01/30/2022 05:45:37
oh
1
0
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
258,747,298,463,350,800
+*
01/30/2022 05:45:45
umm
1
0
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
258,747,298,463,350,800
+*
01/30/2022 05:46:10
can u explain it to me in baby steps pls 😩
1
0
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
183,668,144,404,037,630
Ann
01/30/2022 05:46:58
x approaches 9 from above so x-9 approaches 0 from above
0
1
null
null
null
null
null
205,760
help-1
5361c97d07f64c909ed707da486d5084
183,668,144,404,037,630
Ann
01/30/2022 05:47:13
the reciprocal of something that approaches 0 from above, approaches +∞
0
1
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:11:46
https://cdn.discordapp.c…4584/unknown.png
unknown.png
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:11:54
learning matrixes for linear algebra
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:12:02
this is probably something really simple but
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:12:13
am I missing something? what's I?
1
0
677,350,243,293,069,300
aab
2577
aab
false
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:12:34
do i just treat it as some sort of constant?
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:13:15
like some sort of scalar
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
321,445,119,171,756,000
Shuri2060
01/30/2022 06:14:09
the identity matrix. look it up
0
1
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:16:03
ok wait so it's a matrix with all 0s except for the diagonal from top left to bottom right?
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
183,668,144,404,037,630
Ann
01/30/2022 06:18:09
it's the matrix which has 1's along the diagonal and zeros elsewhere, yes.
0
1
706,934,233,012,371,600
Ansh_
3502
Arya
false
205,761
help-1
f19ff2f78d934e9182090c87c598a019
183,668,144,404,037,630
Ann
01/30/2022 06:18:20
in your case, $I = \bmqty{1&0&0\\0&1&0\\0&0&1}$
0
1
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
510,789,298,321,096,700
TeXit
01/30/2022 06:18:22
**Ann**
https://cdn.discordapp.c…144404037632.png
183668144404037632.png
0
1
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:18:45
icic
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:18:47
ok tysm
1
0
null
null
null
null
null
205,761
help-1
f19ff2f78d934e9182090c87c598a019
253,861,035,667,226,620
MCY
01/30/2022 06:19:03
.close
1
0
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
703,692,711,018,102,800
𝕯𝖆𝖛𝖎𝖉
01/30/2022 06:22:34
The base of a rectangle is 8.4 cm. The height is a quarter of the base. How big is the area of the rectangle? Answer: The area is cm2. can someone explain
1
0
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:23:22
@𝕯𝖆𝖛𝖎𝖉 do you know how to find the area of a rectangle knowing its base and height?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
703,692,711,018,102,800
𝕯𝖆𝖛𝖎𝖉
01/30/2022 06:24:19
yea u need to multiply right?
1
0
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:24:32
yes
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:24:43
and are you able to find the height of your rectangle?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
703,692,711,018,102,800
𝕯𝖆𝖛𝖎𝖉
01/30/2022 06:25:40
am i supposed to do 8.4 times 4?
1
0
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:25:53
i don't know, are you?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:25:57
do you know what the word "quarter" means?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:26:03
> The height is a _quarter_ of the base.
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
703,692,711,018,102,800
𝕯𝖆𝖛𝖎𝖉
01/30/2022 06:26:10
yea
1
0
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:26:18
okay, so what does the word "quarter" mean?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:28:22
@𝕯𝖆𝖛𝖎𝖉 ?
0
1
null
null
null
null
null
205,762
help-1
3a47494ee7ef47c48ccd7c5c0afb06db
183,668,144,404,037,630
Ann
01/30/2022 06:43:06
😒
0
1
null
null
null
null
null
205,763
help-1
8cee9126a5a745f6a096f9be130dc408
837,930,057,996,959,700
Snowazen
01/30/2022 07:30:47
47329 divided by 298
1
0
null
null
null
null
null
205,763
help-1
8cee9126a5a745f6a096f9be130dc408
837,930,057,996,959,700
Snowazen
01/30/2022 07:31:19
.close
1
0
null
null
null
null
null
205,764
help-1
70b1f75f7dd145e0b7cd9a8b7a0585dc
486,622,768,511,844,350
SmoothChick
12/23/2021 13:27:11
What is this chapter of discrete mathematics called?
https://cdn.discordapp.com/attachments/269573202018041856/923642913068576778/eidma04_2.pdf
eidma04_2.pdf
1
0
null
null
null
null
null
205,764
help-1
70b1f75f7dd145e0b7cd9a8b7a0585dc
486,622,768,511,844,350
SmoothChick
12/23/2021 13:46:16
@Helpers
1
0
null
null
null
null
null
205,764
help-1
70b1f75f7dd145e0b7cd9a8b7a0585dc
486,622,768,511,844,350
SmoothChick
12/23/2021 14:23:25
.close
1
0
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
510,789,298,321,096,700
TeXit
01/30/2022 07:34:54
Result: ``` 158.82214765101 ```
1
0
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
706,934,233,012,371,600
Ansh_
01/30/2022 07:35:05
:khaby_lame_facepalm:
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:50:45
https://cdn.discordapp.c…20130_165040.jpg
20220130_165040.jpg
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:50:58
5.48 -3
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:52:04
We need to find a
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:52:28
And when we insert a in this polynomal
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:53:07
This equation only have to have 1 solution
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:53:18
Sorry for my english 🤣🤣
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
220,517,274,845,577,200
ramonov
01/30/2022 07:53:28
what have you tried
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:53:37
Wait
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
348,696,743,388,381,200
A Lonely Bean
01/30/2022 07:53:49
დისკრიმინანტი ნულს რო უდრის მხოლოდ მაშინ ერთი ფესვი ექნება
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:54:03
https://cdn.discordapp.c…20130_165348.jpg
20220130_165348.jpg
0
1
277,133,612,812,468,220
HeadShotCem
9237
HeadShotCem
false
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
220,517,274,845,577,200
ramonov
01/30/2022 07:54:10
,rcw
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
510,789,298,321,096,700
TeXit
01/30/2022 07:54:12
https://cdn.discordapp.c…274845577216.png
220517274845577216.png
1
0
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:54:26
ვაა ქართველი შენ გაგიმარჯოს 🤣
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:54:43
ასე გავაკეთე მაგრამ 0იც არის პასუხი
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:54:54
და რატო ეგ მაინტერესებს
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
220,517,274,845,577,200
ramonov
01/30/2022 07:55:56
looks alright
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:56:16
Yea but also answer is 0
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:56:31
And i want to know why
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
220,517,274,845,577,200
ramonov
01/30/2022 07:56:59
if a=0, you'll have a linear equation
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:57:22
Yea i know that too but
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
348,696,743,388,381,200
A Lonely Bean
01/30/2022 07:57:47
And discriminant works for quadratic equations, not linear ones
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:58:53
Why i dont get that throught this
https://cdn.discordapp.c…20130_165744.jpg
20220130_165744.jpg
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:59:34
აჰა ანუ პროსტა უნდა ჩასვა ხო 0 ?
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 07:59:51
სხვანაირად არ გამოდ8ს
0
1
277,133,612,812,468,220
HeadShotCem
9237
HeadShotCem
false
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
348,696,743,388,381,200
A Lonely Bean
01/30/2022 08:01:46
ხო, და წრფიულ განტოლებებს ისეც ერთი ამონახსნი ექნებათ
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 08:02:14
აჰა გასაგებია მადლობა ჯიგარი ხარ
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 08:02:40
@ramonov thank you
0
1
null
null
null
null
null
205,765
help-1
80f8b13c60c8414c80b4d0278adf379f
717,454,216,104,378,400
Green11111
01/30/2022 08:03:08
.close
0
1
null
null
null
null
null
205,766
help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:09:19
Hey, I wanted to ask if someone could help with an integral of the surface S: 2z^2=x^2+2y^2 where x<=0, y>=2z^2-5 and z<=-1 You have to calculate the surface integral F*n (where F= yz,xz,xy) (First without using stokes)
https://cdn.discordapp.c…4968/unknown.png
unknown.png
1
0
277,133,612,812,468,220
HeadShotCem
9237
HeadShotCem
false
205,766
help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:09:59
I did some stuff but I'm not sure if my result is right, I got 0.683
1
0
null
null
null
null
null
205,766
help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:11:49
First i did with stokes though, but i'm not sure I did it right as the integral we had to calc isn't how we learnt Stokes
1
0
null
null
null
null
null
205,766
help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:12:29
so I noticed F was divergent free, tried to find K such that F = Del x K
1
0
null
null
null
null
null
205,766
help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:12:33
and then applied stokes
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7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:13:04
https://cdn.discordapp.c…20130_011022.jpg
20220130_011022.jpg
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7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:13:04
https://cdn.discordapp.c…20130_011037.jpg
20220130_011037.jpg
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7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:32:17
@kirby your mom didn't wanna specifically tag you but considering u helped me with lots of previous things i wanted to give it a try
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7d7dc2df9d304c4cbea5f1c1eb220200
234,339,303,944,224,770
stabulo
01/30/2022 08:38:19
@wiwiwi If you want help post these kinds of questions in #multivariable-calculus.
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help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:39:37
oh, i didnt know there was a section for that
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help-1
7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:39:37
thx
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7d7dc2df9d304c4cbea5f1c1eb220200
921,607,226,098,090,100
wiwiwi
01/30/2022 08:40:29
.close
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11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:46:09
So uhm, I know this is probably a pretty simple thing but my brain just is fried, I need to find the probability of some particle being in a distance r, with 0<r<a and some others, for the given distribution, now this shouldn't be a problem, I'd've set the integration limits as 0 and a etc. but that would only work with a geq and leq, not a strict inequality, right?
https://cdn.discordapp.c…0080/unknown.png
unknown.png
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11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:47:02
$P(0<r<a)=P(0\leq r\leq a)$
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11d09663fb9943a6a6b3580e877be4a6
510,789,298,321,096,700
TeXit
01/30/2022 08:47:04
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
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11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:47:09
it's a continuous PDF
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help-1
11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:47:14
oh
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11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:47:53
Then I must've messed up somewhere else, because for r>a I get a negative probability, which doesn't seem right
1
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help-1
11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:48:08
keep in mind as well if you have the a 3D probability, you need a triple integral
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help-1
11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:48:17
one per dimension
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help-1
11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:48:33
But can't I treat |x| as r and work in spherical coordinates
1
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help-1
11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:48:58
yeah, then remember the jacobian
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11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:49:34
uh, sorry I don't know what that means 😓
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11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:49:46
The Jacobian matrix?
1
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help-1
11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:50:21
Jacobian for spherical is $\rho^2\sin(\varphi)$
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HeadShotCem
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11d09663fb9943a6a6b3580e877be4a6
510,789,298,321,096,700
TeXit
01/30/2022 08:50:24
**Mosh**
https://cdn.discordapp.c…587366215691.png
186109587366215691.png
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11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:50:33
Ah you mean the differentials
1
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help-1
11d09663fb9943a6a6b3580e877be4a6
186,109,587,366,215,680
Omegabet_
01/30/2022 08:50:48
well no, that factor is called the Jacobian
0
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help-1
11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:50:52
huh
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help-1
11d09663fb9943a6a6b3580e877be4a6
235,104,133,110,169,600
Autissima
01/30/2022 08:51:22
$dxdydz=r^2 \sin(\theta)dr d\theta d\phi$
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