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205,581
help-1
0f84ee73eae349a4be106c5719d81421
321,445,119,171,756,000
Shuri2060
01/22/2022 11:11:57
defined
0
1
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null
null
null
null
205,581
help-1
0f84ee73eae349a4be106c5719d81421
321,445,119,171,756,000
Shuri2060
01/22/2022 11:12:27
3.1 defines that function. show it is an inner product
0
1
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null
null
205,581
help-1
0f84ee73eae349a4be106c5719d81421
896,589,462,237,237,200
akira99
01/22/2022 11:15:39
@Shuri2060 well if we consider x=[x1,x2]T and y =[y1,y2] T isn't <x,y> = xT y ==> so x1*xy1 + x2*y2 ( i m sorry i don't know much about innerproduct )
1
0
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null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
853,368,772,118,052,900
˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞
01/22/2022 11:34:09
$$2cos20° + cos²36° - 2sin70° + cos²54°$$
1
0
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null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
510,789,298,321,096,700
TeXit
01/22/2022 11:34:11
**yayy**
https://cdn.discordapp.c…772118052874.png
853368772118052874.png
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
853,368,772,118,052,900
˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞
01/22/2022 11:34:20
how can I solve this
1
0
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null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
853,368,772,118,052,900
˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞
01/22/2022 11:34:49
i know there is a rule that says cos^2 alpha= sin(90-alpha) something like that
1
0
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205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
853,368,772,118,052,900
˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞
01/22/2022 11:34:59
do someone know the rule?
1
0
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null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:39:57
yea
0
1
225,110,750,161,666,050
Neko
9414
a nekowo
false
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:40:03
are you sure thats easiest?
0
1
225,110,750,161,666,050
Neko
9414
a nekowo
false
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:40:08
its called phase shift formula though
0
1
null
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null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
853,368,772,118,052,900
˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞˞
01/22/2022 11:40:15
;-;
1
0
484,702,191,156,985,860
themateo713
5303
mateo713
false
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:40:35
$2 \cos (20) + \cos ^2 (36) - 2 \sin (70) + \cos ^2 (54)$
0
1
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null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:40:43
stalling
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
510,789,298,321,096,700
TeXit
01/22/2022 11:40:51
**jan Niku**
https://cdn.discordapp.c…346333224964.png
331558346333224964.png
0
1
225,110,750,161,666,050
Neko
9414
a nekowo
false
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:41:19
google phase shift formula
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:42:09
im not seeing anything nice in this one :thonk:
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
348,696,743,388,381,200
A Lonely Bean
01/22/2022 11:42:29
Don't cos(20) and sin(70) cancel out?
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:42:34
oh, yea
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
348,696,743,388,381,200
A Lonely Bean
01/22/2022 11:42:35
Cuz sin(90 - x) = -cosx
0
1
null
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null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:42:36
with phase shift
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:43:05
then maybee
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
348,696,743,388,381,200
A Lonely Bean
01/22/2022 11:43:06
Entire thing is just 1 then
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:43:07
power reduction?
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:43:16
idk trig :bearlain:
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
331,558,346,333,224,960
jan Niku
01/22/2022 11:43:18
ill leave
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
220,517,274,845,577,200
ramonov
01/22/2022 11:43:25
complementary relation between sine and cos
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
220,517,274,845,577,200
ramonov
01/22/2022 11:44:17
> Cuz sin(90 - x) = -cosx just cos(x), no minus
0
1
null
null
null
null
null
205,582
help-1
4aab1b1a55eb4159b3b3661eb379ab03
348,696,743,388,381,200
A Lonely Bean
01/22/2022 11:45:10
mb
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:34:29
https://cdn.discordapp.c…2_230404__01.jpg
IMG_20220122_230404__01.jpg
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:35:18
We have to find x
1
0
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:35:45
I tried taking cases for a (<2 and >2) but idk what I did wrong didn't work out
1
0
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:37:45
https://cdn.discordapp.c…20122_230742.jpg
20220122_230742.jpg
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:38:00
I tried this but I got stuck
1
0
null
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null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:38:44
Whats the denominator again?
0
1
null
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null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:38:49
a-2
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:39:14
Idk how to use the bot sorry
1
0
null
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:39:46
No issues. Although it's simple really.
0
1
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:40:19
I'll try
1
0
null
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:40:21
See we know (3x-1)(a-2)>0
0
1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:41:04
As it's inside square root.
0
1
null
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:41:29
Won't it be 3x-1/a-2 >= 0
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:41:35
Same thing.
0
1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:41:48
Hmm yes
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:41:57
But that excludes x=1/3
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:42:08
Yes.
0
1
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:42:12
My bad.
0
1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:42:39
the step $\sqrt{3x-1} < \sqrt{a-2}$ converting to $3x-1 < a-2$ might cause you unwanted trouble
0
1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
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TeXit
01/22/2022 12:42:42
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:42:58
Shouldn't really because both sides are positive
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:43:10
Is a-2 positive?
0
1
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:43:10
The domain is only valid for original question
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:43:13
Is it given?
0
1
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:43:16
No
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:43:20
It's not necessary
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:43:23
then?
0
1
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help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:43:37
I'd recommend $\frac{3x-1}{a-2} < 1$
0
1
397,948,499,091,521,540
Rolly
2184
Rolly
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:43:40
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:43:56
which is not the same thing
0
1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:44:02
if you get what I'm saying
0
1
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:44:14
Hmm yes but sqrt(x) is greater or equal to zero
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:44:25
So multiplying shouldn't change
1
0
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:44:33
And anyways simplifying what you did
1
0
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:44:40
It results in the same
1
0
706,934,233,012,371,600
Ansh_
3502
Arya
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:44:49
Does it?
0
1
381,524,178,165,039,100
Door 'GG' VB
8398
Door 'GG' VB
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:45:05
this gives $3x + 1 - a <0$
0
1
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help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:45:07
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:45:08
Multiplying is not a good option, a-2 could be negative.
0
1
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:45:16
Hmm yes
1
0
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:45:21
We have to take cases
1
0
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205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:45:22
this gives $\frac{3x+1-a}{a-2} < 0$
0
1
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help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:45:23
so you can't say a>2
0
1
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help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:45:24
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
748,029,603,087,384,700
Yours truly
01/22/2022 12:45:32
Yes.
0
1
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null
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help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:45:50
so no
0
1
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help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:45:55
:/
0
1
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null
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help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:46:17
Yeah I got it
1
0
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help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:46:30
You have this and $\frac{3x-1}{a-2} \geq 0$
0
1
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help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:46:33
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:46:42
I did that in the domain but not in the actual question 🤦‍♂️
1
0
null
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:46:44
You should be able to take cases and solve it now
0
1
492,892,354,127,069,200
Taril_Aran
7139
Taril_Aran
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:47:51
Ah so we solve this with cases
1
0
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null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:47:58
And then check with the domain
1
0
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null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:48:31
Yeah
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:48:34
:o
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:48:40
Alright thanks I'll try again
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:48:46
I'll not close it yet
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:48:49
Lemme try once
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:48:51
Thanks
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:53:30
Huh I still can't solve it 🤦‍♂️
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:53:46
I haven't really tried multivariate inequalities yet
1
0
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:53:54
So it's giving me problems
1
0
145,653,848,122,327,040
mrbrown
1564
mrbrown
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:53:58
Consider $a \geq 2$
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1
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205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:53:58
I mean I get what you said
1
0
null
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null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:54:01
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:54:15
Then acc. to the domain:
0
1
null
null
null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:54:24
$3x-1 \geq 0$
0
1
145,653,848,122,327,040
mrbrown
1564
mrbrown
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
510,789,298,321,096,700
TeXit
01/22/2022 12:54:27
**Ansh**
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
0
1
145,653,848,122,327,040
mrbrown
1564
mrbrown
false
205,583
help-1
7e866702f9414552bd66fd2437414f97
706,934,233,012,371,600
Ansh_
01/22/2022 12:54:33
and acc. to the expression we arrived at
0
1
null
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null
null
null
205,583
help-1
7e866702f9414552bd66fd2437414f97
421,006,765,572,882,500
LoLer
01/22/2022 12:54:34
Yep
1
0
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