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help-10
285e03a62af34f5398b00f3f4cf74798
290,592,478,904,582,140
halflife
02/19/2022 04:15:40
.close
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Speedbird48
02/19/2022 04:34:53
https://cdn.discordapp.c…408/IMG_0936.png
IMG_0936.png
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Speedbird48
02/19/2022 04:35:14
This is a practice problem I did with a tutor
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Speedbird48
02/19/2022 04:35:24
I don’t understand why the Ln doesn’t disappear
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972f9c693bb94f2b92d6720958c9bd7e
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Speedbird48
02/19/2022 04:35:32
On the right side of the equation
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Speedbird48
02/19/2022 04:36:00
Shouldn’t it just become (sin(4x))x
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972f9c693bb94f2b92d6720958c9bd7e
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Deleted User
02/19/2022 04:54:59
Log rule ln(a)^x=xln(a)
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Deleted User
02/19/2022 04:55:07
@Speedbird48
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BlasterOverlord
02/19/2022 05:34:44
Need help with these two
https://cdn.discordapp.c…15634004744.jpeg
received_314315634004744.jpeg
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help-10
a091531690d647dd9906766fa2dc41cd
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BlasterOverlord
02/19/2022 05:35:05
Let's start with no.2
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help-10
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BlasterOverlord
02/19/2022 05:35:11
Got no idea what to do
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BlasterOverlord
02/19/2022 05:48:24
@Helpers
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BlasterOverlord
02/19/2022 05:51:19
:sadcat:
1
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a091531690d647dd9906766fa2dc41cd
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BlasterOverlord
02/19/2022 06:12:37
@Helpers
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help-10
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Herels
02/19/2022 06:16:06
sec x - tan x = 1/cos(x) - sin(x)/cos(x) = (1-sin(x))/cos(x) = (1-sin(x))/sqrt(1-sin^2(x)) = (1-sin(x))/(sqrt(1-sin(x))*sqrt(1+sin(x)))
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:17:42
$\sec(x) - \tan(x) = \frac{1-\sin(x)}{(1-\sin(x))^{1/2} \sqrt{1+\sin(x)}}$
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help-10
a091531690d647dd9906766fa2dc41cd
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TeXit
02/19/2022 06:18:32
**Herels**
https://cdn.discordapp.c…877933060109.png
411882877933060109.png
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a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:19:08
:eeveeThink:
1
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help-10
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Herels
02/19/2022 06:19:47
*just tell what you don't understand in this*
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a091531690d647dd9906766fa2dc41cd
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BlasterOverlord
02/19/2022 06:20:18
*everything*
1
0
218,816,961,352,695,800
Speedbird48
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BlasterOverlord
02/19/2022 06:20:52
Maybe if you can go line by line
1
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BlasterOverlord
02/19/2022 06:20:57
It'd be easier for me
1
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Herels
02/19/2022 06:21:34
you agree that sec(x) = 1/cos(x) and tan(x) = sin(x)/cos(x) ?
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BlasterOverlord
02/19/2022 06:21:45
Yep
1
0
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a091531690d647dd9906766fa2dc41cd
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Herels
02/19/2022 06:21:59
the rest is just algebra and playing with trig formula
0
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a091531690d647dd9906766fa2dc41cd
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BlasterOverlord
02/19/2022 06:22:20
How did you bring the sqrt
1
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:22:53
cos^2 x + sin^2 x = 1
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:24:28
So...cosx=√1-sin^2x ?
1
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:25:16
yea
0
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help-10
a091531690d647dd9906766fa2dc41cd
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BlasterOverlord
02/19/2022 06:27:00
Wait what did you do in the last line?
1
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help-10
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Herels
02/19/2022 06:28:17
where
0
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BlasterOverlord
02/19/2022 06:28:29
This
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:28:57
nothing, sqrt(x) is the same as x^{1/2}
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:29:19
Where did you get that sqrt(1+sinx)
1
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:29:59
*basic algebra* (a^2 - b^2) = (a-b)(a+b)
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:31:06
Oh
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:31:16
I didn't know you could do that including the sqrt
1
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:32:23
sqrt(ab) = sqrt(a)sqrt(b)
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:34:45
Ok but
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:34:52
What do I do next
1
0
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:35:05
To get the left hand side
1
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help-10
a091531690d647dd9906766fa2dc41cd
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Herels
02/19/2022 06:36:38
*again basic algebra* a^m/a^n = a^{m-n}
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:37:12
DAMMIT
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:37:17
I see
1
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510,789,298,321,096,700
TeXit
0796
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:37:19
Thx
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
411,882,877,933,060,100
Herels
02/19/2022 06:37:36
np
0
1
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:37:42
No.3
1
0
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help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:39:51
@Herels can you do no.3?
1
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help-10
a091531690d647dd9906766fa2dc41cd
508,278,290,939,904,000
elitentra
02/19/2022 06:42:32
Use the sec^2 a= 1+tan^2 a identity
0
1
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:43:28
On the left hand side or right hand side?
1
0
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767
help-10
a091531690d647dd9906766fa2dc41cd
508,278,290,939,904,000
elitentra
02/19/2022 06:43:36
Left
0
1
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null
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null
767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:43:40
Ok
1
0
null
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:46:14
I get, 1 + 2tan^2x + 2tan^4x
1
0
null
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:47:25
Do I break them to sin and cos?
1
0
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null
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767
help-10
a091531690d647dd9906766fa2dc41cd
508,278,290,939,904,000
elitentra
02/19/2022 06:47:50
u should rewrite the left side as sec^2 a(sec^2 a) + tan^2 a(tan^2 a)
0
1
null
null
null
null
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767
help-10
a091531690d647dd9906766fa2dc41cd
508,278,290,939,904,000
elitentra
02/19/2022 06:48:21
and then sub one of the sec^2 a with the identity, and one of the tan^2 a with the identity
0
1
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null
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767
help-10
a091531690d647dd9906766fa2dc41cd
508,278,290,939,904,000
elitentra
02/19/2022 06:49:43
so sec^2 a (1+ tan^2 a) + tan^2 a (sec^2 a -1)
0
1
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:50:16
Okay... :pandaHmm:
1
0
null
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:52:14
Thanks got it
1
0
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767
help-10
a091531690d647dd9906766fa2dc41cd
531,822,880,950,976,500
BlasterOverlord
02/19/2022 06:54:13
.close
1
0
411,882,877,933,060,100
Herels
1420
Herels
false
768
help-10
2b468de201764a9aa26ca0319ccfabff
807,012,756,435,763,200
XXXX
11/07/2021 11:10:01
how to find the gradient of this line?
https://cdn.discordapp.c…5428/unknown.png
unknown.png
1
0
null
null
null
null
null
768
help-10
2b468de201764a9aa26ca0319ccfabff
888,859,319,024,648,200
james_ash
11/07/2021 11:20:58
ratio of vertical change to horizontal change (y1-y2)/(x1-x2) for 2 points on the line parallel lines have same slope
0
1
null
null
null
null
null
768
help-10
2b468de201764a9aa26ca0319ccfabff
807,012,756,435,763,200
XXXX
11/07/2021 11:29:11
okay
1
0
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768
help-10
2b468de201764a9aa26ca0319ccfabff
807,012,756,435,763,200
XXXX
11/07/2021 11:29:26
@james_ash is my calcualtion correct?
https://cdn.discordapp.c…4049/unknown.png
unknown.png
1
0
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help-10
2b468de201764a9aa26ca0319ccfabff
888,859,319,024,648,200
james_ash
11/07/2021 11:30:11
seems good
0
1
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elitentra
8906
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768
help-10
2b468de201764a9aa26ca0319ccfabff
807,012,756,435,763,200
XXXX
11/07/2021 11:31:38
okay thank you
1
0
null
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null
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768
help-10
2b468de201764a9aa26ca0319ccfabff
807,012,756,435,763,200
XXXX
11/07/2021 11:31:42
.close
1
0
null
null
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null
null
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:08:11
https://cdn.discordapp.c…2203/unknown.png
unknown.png
1
0
null
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null
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769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:08:17
how do i split this?
1
0
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769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:08:23
into two fractions
1
0
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null
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null
null
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:08:38
those are us btw
1
0
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null
null
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
531,822,880,950,976,500
BlasterOverlord
02/19/2022 07:10:24
https://cdn.discordapp.c…254/IMG_0936.jpg
IMG_0936.jpg
0
1
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null
null
null
null
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:04
ok ye thats what i had
1
0
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help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:09
i think im going mad
1
0
807,012,756,435,763,200
XXXX
0884
XXXX
false
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:14
from revising
1
0
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help-10
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531,822,880,950,976,500
BlasterOverlord
02/19/2022 07:11:24
Easy tbh
0
1
888,859,319,024,648,200
james_ash
2490
Susilian
false
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
531,822,880,950,976,500
BlasterOverlord
02/19/2022 07:11:27
Good luck
0
1
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769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:31
thx man
1
0
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769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:33
cya
1
0
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null
null
null
769
help-10
bd4bcf0f5ae04a5bb0aadaf267cd849b
270,624,532,593,639,420
BOOGEYMAN
02/19/2022 07:11:36
.close
1
0
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null
null
null
null
770
help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:31:24
how would I compute $$\lim_{x \to \infty} e^{bxi}, b \in \mathbb{R}$$
1
0
null
null
null
null
null
770
help-10
07fac3c5fb2449ab82562d5b132c3ff1
510,789,298,321,096,700
TeXit
02/19/2022 07:31:42
**illuminator3**
https://cdn.discordapp.c…706186420224.png
391270706186420224.png
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
684,674,576,998,858,800
kloser
02/19/2022 07:32:31
wouldnt converge according to euler's formula?
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:34:17
so I'd have different cases?
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:34:23
because what if b = 0 or b < 0
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:34:25
Think visually - you're just spinning around the unit circle on the argand plane
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:34:33
b = 0 is indeed a separate case
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770
help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:35:53
but it would diverge then, would it?
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:36:08
because how would I know at what point I'm stopping if I'm infinitely spinning around the circle
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770
help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:37:05
Exactly.
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:37:13
Have you come across the term 'accumulation point'
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:37:31
no
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:37:33
let me google that real quick
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:37:52
nvm I'm not understanding anything lol
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:39:36
Ill explain it visually
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510,789,298,321,096,700
TeXit
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TeXit
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:39:41
or try
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684,674,576,998,858,800
kloser
6194
the crying name changer
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:40:04
So say you have a complex sequence (note this works for a real sequence too, ofc)
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:40:17
We pick a point P on the plane
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
321,445,119,171,756,000
Shuri2060
02/19/2022 07:40:52
If we keep revisiting P, then P is an 'accumulation point' (i will say ap from now on) The definition of ap is slightly broader than this, but I will stick to this basic example for now
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help-10
07fac3c5fb2449ab82562d5b132c3ff1
391,270,706,186,420,200
illuminator3
02/19/2022 07:41:10
in our case
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Shuri2060
9525
a μ-er
false