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205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:17:37
(when u is positive)
0
1
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205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:17:48
okay
1
0
264,932,076,145,475,600
Plexversal
9999
Plexversal
false
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:17:51
i see it now
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:18:00
so just apply that property to ur question
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:18:07
🙄
0
1
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null
null
null
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205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:18:28
it would be x+1 = 3?
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:18:36
yes
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:18:37
yup
0
1
null
null
null
null
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205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:18:43
ohh okay
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:18:46
thanks alol !
1
0
null
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:18:49
but note that
0
1
null
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:18:54
and then you also need to have that x+1 > 0, but that is true here
0
1
null
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null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:18:55
if you have e^(something) = (some negative numbeR)
0
1
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:18:57
the answer is no solution
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:19:00
cuz e^x is always positive
0
1
null
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null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:19:05
(in the real world)
0
1
null
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null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:19:11
right
1
0
325,570,175,594,135,550
Big xdddd
6971
Big xdddd
false
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:19:12
okay
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:19:25
i have a question
1
0
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:19:27
Remavas
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:19:31
is precalc worth restudying
1
0
null
null
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:19:44
if you wanna get pinged every time someone wants help you can message the modmail bot and say "give me helper"
0
1
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null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:19:45
If you'll have calc soon, yes.
0
1
null
null
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:19:46
and it will
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:19:56
oh, thanks.
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:20:01
well i am in calc 2 rn ;-;
1
0
null
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null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:20:01
things like log rules, trig, etc. is super helpful is calc
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:20:13
then you definitely should
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:20:17
man
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:20:18
I- immediately relearn precalc
0
1
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null
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null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:20:20
alright
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:20:28
look back on logs / trig / rational functoins /etc.
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:20:33
okay
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:20:34
and for calc 3 you might wanna do a little review of vectors
0
1
null
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null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
258,747,298,463,350,800
+*
01/26/2022 02:20:51
cuz teacher gave me this worksheet and i literally blanked out lmao
1
0
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:21:08
congrats remavas on getting helper
0
1
null
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null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:21:14
u r gonna have like 1000+ pings in like 2 days lmao
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:21:21
I am used to it
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:21:28
I have like 20k unread pings
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:21:29
i got rid of my helper rank after getting active
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:21:33
rlly?
0
1
321,445,119,171,756,000
Shuri2060
9525
a μ-er
false
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
373,884,980,977,336,300
Remavas
01/26/2022 02:21:40
something like that
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:21:49
also no one knows how active works
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:22:02
all we know is that this guy named shuri sent 50k chat xp worth of messages in 2 weeks
0
1
null
null
null
null
null
205,641
help-1
ab2ccc18c24341b0a1b65becf282a1e6
328,662,734,008,746,000
Geopchad
01/26/2022 02:22:10
and got the world record speedrun for very active
0
1
321,445,119,171,756,000
Shuri2060
9525
a μ-er
false
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:02:00
does anyone know how to do this?
https://cdn.discordapp.c…6616/unknown.png
unknown.png
1
0
255,103,821,657,669,630
Tifenn
0024
Tifenn
false
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:02:41
use integral by parts
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:02:59
https://cdn.discordapp.c…11222_180208.jpg
20211222_180208.jpg
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:03:05
im lost
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:03:39
again use integral by parts
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:03:49
i did
1
0
255,103,821,657,669,630
Tifenn
0024
Tifenn
false
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:03:58
oh w8 let me check again
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:05:24
`∫udv = uv - ∫vdu` you made a mistake substituting `du` in the second integral
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:06:15
the second integral is: `∫sin(x)*2xdx`
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:06:23
got it?
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:06:36
oh so i dont
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:06:50
simplify for the 2x dx
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:06:52
?
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:07:30
`∫udv = uv - ∫vdu` no because we are gonna use `du` not `du/[something]`
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:09:01
but still
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:09:06
oh yeah, didn't notice you forgot dx
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:09:16
i dont know how to integrate sin2x^2
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:10:08
`sin(x)/x` is wrong it should be `∫sin(x)*2xdx`
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:10:51
`∫sin(x) * 2xdx` to integrate this use integration by parts again
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:11:37
like how?
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
510,789,298,321,096,700
TeXit
12/22/2021 05:12:37
https://cdn.discordapp.c…340653101067.png
244755340653101067.png
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:14:06
like this?
https://cdn.discordapp.c…11222_181305.jpg
20211222_181305.jpg
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
510,789,298,321,096,700
TeXit
12/22/2021 05:14:33
https://cdn.discordapp.c…340653101067.png
244755340653101067.png
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:14:44
ok let me recap 1) even if `∫sin(x) * [1/2x]dx` was correct you cant simplify the `2x` with the angle of `sin (the x in sin)` 2) `dv = cos(x)dx ` you forgot `dx` 3) `u = x^2 ---> du = 2xdx` 4) `∫udv = uv - ∫vdu ---> x^2 sin(x) - ∫sin(x) * 2xdx`
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:15:16
ok
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:15:58
think of this integral as a sub-problem use the integration by parts to solve `∫sin(x) * 2xdx` anything else doesn't matter (just use different variables for the names cause you already used `u,du` and `v,dv`)
0
1
255,103,821,657,669,630
Tifenn
0024
Tifenn
false
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:17:06
u meant something like this?
https://cdn.discordapp.c…1760/unknown.png
unknown.png
1
0
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:17:42
yeah
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
456,226,577,798,135,800
Deleted User
12/22/2021 05:18:48
just something to differentiate `u,v`'s that you wrote here it has written `u_1 v_1` and `u_2 v_2`
0
1
null
null
null
null
null
205,642
help-1
673e033e6b63412d9936f060f4240516
249,469,789,578,330,140
ain't it
12/22/2021 05:20:02
ok
1
0
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:51:00
https://cdn.discordapp.c…6_165032_HDR.jpg
20220126_165032_HDR.jpg
1
0
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:51:20
Hi how do these equations equal that
1
0
null
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null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 02:53:25
what tools do you have?
0
1
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 02:53:30
induction?
0
1
null
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null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
373,884,980,977,336,300
Remavas
01/26/2022 02:53:42
This does seem like a perfect problem for induction
0
1
null
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null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:56:27
I dont really know what induction means
1
0
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:57:03
I just want to understand how all the sum of additions turn to the following
1
0
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 02:58:04
yes, it's clear you want to learn that. what's not clear is what formulas you know that can lead you to the answer
0
1
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null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:58:53
Well my math level is highschool calculus
1
0
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 02:59:09
So around that area I should know formulas
1
0
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:00:46
Actually I am familiar with induction
1
0
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null
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:00:51
Just forgot the term
1
0
261,933,205,387,477,000
riemann
2529
riemann
false
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 03:01:43
then use induction?
0
1
null
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null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 03:02:33
your class should have proved formulas for these sums $\sum_{k=1}^n k, \sum_{k=1}^n k^2, \sum_{k=1}^n k^3$
0
1
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null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
510,789,298,321,096,700
TeXit
01/26/2022 03:02:36
**riemann**
https://cdn.discordapp.c…205387477002.png
261933205387477002.png
0
1
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:02:48
Yes
1
0
null
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null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
261,933,205,387,477,000
riemann
01/26/2022 03:03:01
you just need to express your sums in terms of those
0
1
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null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:04:04
https://cdn.discordapp.c…20126_170402.jpg
20220126_170402.jpg
1
0
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:04:33
I dont know what to from here
1
0
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:04:51
What to group
1
0
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
373,884,980,977,336,300
Remavas
01/26/2022 03:05:24
Why take it outside the sum. You can do something inside the sum
0
1
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
198,961,918,193,565,700
Lucas Kim
01/26/2022 03:05:58
What do you mean?
1
0
null
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null
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
373,884,980,977,336,300
Remavas
01/26/2022 03:06:58
$$\sum _{k=1}^{n} k(k+1)$$
0
1
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null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
510,789,298,321,096,700
TeXit
01/26/2022 03:07:01
**Remavas**
https://cdn.discordapp.c…980977336321.png
373884980977336321.png
0
1
null
null
null
null
null
205,643
help-1
2633a8d8e9554c29b5c95563100e2140
373,884,980,977,336,300
Remavas
01/26/2022 03:07:07
and you know these already
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1
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