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help-10
b94bd4070379459cb92dcfeec1d03dc1
217,022,948,836,507,650
moanco
03/22/2022 21:19:00
@Alfie
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Alfie
03/22/2022 21:19:40
No, look for a valley @moanco
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moanco
03/22/2022 21:20:26
bruh
1
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moanco
03/22/2022 21:20:39
is it -2???
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help-10
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Alfie
03/22/2022 21:22:30
Look for a valley
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help-10
b94bd4070379459cb92dcfeec1d03dc1
198,500,238,384,693,250
Alfie
03/22/2022 21:22:32
V shape
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help-10
b94bd4070379459cb92dcfeec1d03dc1
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Alfie
03/22/2022 21:22:36
The point of the V
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help-10
b94bd4070379459cb92dcfeec1d03dc1
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Alfie
03/22/2022 21:22:39
Obviously it's a bit more curved
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moanco
03/22/2022 21:23:13
omg
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moanco
03/22/2022 21:23:14
its 2
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moanco
03/22/2022 21:23:19
https://cdn.discordapp.c…4752/unknown.png
unknown.png
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b94bd4070379459cb92dcfeec1d03dc1
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moanco
03/22/2022 21:23:54
it wasnt 2
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help-10
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moanco
03/22/2022 21:23:57
i have one attempt left
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help-10
b94bd4070379459cb92dcfeec1d03dc1
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moanco
03/22/2022 21:23:58
@Alfie
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Alfie
03/22/2022 21:25:59
A V
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help-10
b94bd4070379459cb92dcfeec1d03dc1
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Alfie
03/22/2022 21:26:03
more like a U i suppose
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Alfie
03/22/2022 21:26:09
There are two on the graph
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help-10
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Alfie
03/22/2022 21:26:25
It's where the graph has a turning point, and on both sides of the point the y value is higher
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moanco
03/22/2022 21:26:49
i give up
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moanco
03/22/2022 21:39:02
https://cdn.discordapp.c…7664/unknown.png
unknown.png
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martiniman31
03/22/2022 23:26:09
@Remavas @Alfie this is the response I got on Chegg to number 4,
https://cdn.discordapp.c…03-22_222124.jpg
Screenshot_2022-03-22_222124.jpg
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429,125,109,240,823,800
martiniman31
03/22/2022 23:26:09
@Remavas @Alfie this is the response I got on Chegg to number 4,
https://cdn.discordapp.c…03-22_222124.jpg
Screenshot_2022-03-22_222124.jpg
1
0
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help-10
904e9384f5eb40efb54d2903dd086d3b
429,125,109,240,823,800
martiniman31
03/22/2022 23:28:33
I will let y'all know if I hear anything about number 5 in the morning. We are pooped and the weather isnt helping one bit here in Chicago
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martiniman31
03/22/2022 23:33:54
actually just recheched and found that a responce had been posted for number 5. I'm not reading through it right this second but I'll share it with y'all
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martiniman31
03/22/2022 23:34:16
https://cdn.discordapp.c…03-22_223042.jpg
Screenshot_2022-03-22_223042.jpg
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help-10
938651648cc94195943e2cb6c7dfbba6
244,900,559,210,020,860
otf
03/23/2022 00:49:26
https://cdn.discordapp.c…7914/unknown.png
unknown.png
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help-10
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otf
03/23/2022 00:49:38
trying to make sense of this
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help-10
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otf
03/23/2022 00:49:59
how does those 5 x values prove its not convex>?
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help-10
938651648cc94195943e2cb6c7dfbba6
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otf
03/23/2022 00:59:05
oh okay ig a convex function is only convex iff therer is at most one local minima
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help-10
261ad00a87c143539991822548fdd460
836,856,339,892,404,200
''Drool
03/23/2022 03:11:22
https://cdn.discordapp.c…20323_151103.jpg
20220323_151103.jpg
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help-10
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''Drool
03/23/2022 03:12:04
@Helpers stuck at b
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help-10
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dldh06
03/23/2022 03:13:20
You have to wait at least 15 minutes before pinging helpers
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''Drool
03/23/2022 03:44:57
@Helpers
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help-10
261ad00a87c143539991822548fdd460
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''Drool
03/23/2022 03:45:01
.
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help-10
261ad00a87c143539991822548fdd460
455,728,089,931,055,100
Nikoloz
03/23/2022 04:06:29
90000+18225-900/7.5•12
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261ad00a87c143539991822548fdd460
455,728,089,931,055,100
Nikoloz
03/23/2022 04:06:31
Isnt it?
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help-10
261ad00a87c143539991822548fdd460
455,728,089,931,055,100
Nikoloz
03/23/2022 04:07:10
No it isnt
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help-10
261ad00a87c143539991822548fdd460
455,728,089,931,055,100
Nikoloz
03/23/2022 04:07:57
90000+18225-900/7×12+5
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help-10
3eb5fca7e5ef4de1b2c5439262783e9d
177,490,721,354,416,130
Joy!
03/23/2022 05:22:23
Am I allowed to just directly integrate this to find a solution?
https://cdn.discordapp.c…006/IMG_1473.png
IMG_1473.png
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Joy!
03/23/2022 05:27:50
Like, I did this, but I’m not sure this is a valid way to solve
https://cdn.discordapp.c…912/IMG_1474.png
IMG_1474.png
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Msvyx
03/23/2022 06:42:42
https://cdn.discordapp.c…684/IMG_3168.png
IMG_3168.png
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373,884,980,977,336,300
Remavas
3737
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help-10
b539712a3f65445a8cc3181d6979c061
342,683,123,479,478,300
Lasha
11/10/2021 08:57:30
hello
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325,982,094,926,807,040
Synoxa
11/10/2021 08:57:40
hi
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Lasha
11/10/2021 08:57:46
I need help with an integral problem
1
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help-10
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Lasha
11/10/2021 08:57:53
using substitution
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Lasha
11/10/2021 08:57:58
one sec
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Lasha
11/10/2021 08:58:22
https://cdn.discordapp.c…7236/unknown.png
unknown.png
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help-10
b539712a3f65445a8cc3181d6979c061
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Lasha
11/10/2021 08:58:34
not sure how the solution was reached
1
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help-10
b539712a3f65445a8cc3181d6979c061
468,830,761,261,203,460
Ryuzaki
11/10/2021 08:59:47
by parts
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Lasha
11/10/2021 09:00:11
show me the steps
1
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help-10
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Synoxa
11/10/2021 09:00:12
that's very specific
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''Drool
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Ryuzaki
11/10/2021 09:00:45
try it yourself
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help-10
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Lasha
11/10/2021 09:00:48
i did
1
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Lasha
11/10/2021 09:15:58
no
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b539712a3f65445a8cc3181d6979c061
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andrehtan
11/10/2021 09:16:37
what did you use as your substitution?
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Lasha
11/10/2021 09:17:30
I used t^2+3 but it could be a bad choice
1
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help-10
b539712a3f65445a8cc3181d6979c061
342,683,123,479,478,300
Lasha
11/10/2021 09:17:33
@andrehtan
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andrehtan
11/10/2021 09:18:16
hmm, try u = sqrt t^2 +3?
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dldh06
11/10/2021 09:18:41
Pretty sure that's the right choice
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b539712a3f65445a8cc3181d6979c061
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Lasha
11/10/2021 09:19:14
well I wasn't able to solve it
1
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andrehtan
11/10/2021 09:20:02
what expression did you write once you substituted for that?
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help-10
b539712a3f65445a8cc3181d6979c061
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dldh06
11/10/2021 09:20:15
Then post your work
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b539712a3f65445a8cc3181d6979c061
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dldh06
11/10/2021 09:20:25
Let's see what went wrong
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Lasha
11/10/2021 09:20:38
https://cdn.discordapp.c…11110_152003.jpg
IMG_20211110_152003.jpg
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b539712a3f65445a8cc3181d6979c061
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Lasha
11/10/2021 09:20:45
that's my attempt
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andrehtan
11/10/2021 09:22:46
yup so I think the issue is once you substituted you were still left with both u and t in your expression
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andrehtan
11/10/2021 09:23:02
the goal of substitution is to simplify it by replacing all of t with expressions in terms of u
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andrehtan
11/10/2021 09:23:26
you have to figure out how to get rid of those extra t's by continuing to substitute
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help-10
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andrehtan
11/10/2021 09:23:44
I think letting u = sqrt t^2+3 might make it easier
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andrehtan
11/10/2021 09:24:33
(unsure though)
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Lasha
11/10/2021 09:25:27
how would you even differentiate that
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andrehtan
11/10/2021 09:25:59
chain rule but
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andrehtan
11/10/2021 09:26:07
don't do it, lol I just tried it and it might be a dead end
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b539712a3f65445a8cc3181d6979c061
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Lasha
11/10/2021 09:26:29
yeah i think i may have figured it out let me work it out
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help-10
b539712a3f65445a8cc3181d6979c061
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Lasha
11/10/2021 09:29:17
nvm
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Lasha
11/10/2021 09:29:20
dead end
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andrehtan
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Lasha
11/10/2021 09:30:53
https://cdn.discordapp.c…11110_153044.jpg
IMG_20211110_153044.jpg
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Lasha
11/10/2021 09:31:06
I got t out of the equation but that's it
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Lasha
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andrehtan
11/10/2021 09:32:27
yeah tricky
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707,444,936,957,624,300
andrehtan
11/10/2021 09:32:32
trying a different substitution
0
1
null
null
null
null
null
1,435
help-10
b539712a3f65445a8cc3181d6979c061
485,903,210,272,391,200
dldh06
11/10/2021 09:40:34
Use an integral calculator, I think the substitution is much more complex than expected
0
1
342,683,123,479,478,300
Lasha
1055
Lasha
false
1,435
help-10
b539712a3f65445a8cc3181d6979c061
707,444,936,957,624,300
andrehtan
11/10/2021 09:44:53
ok so I cheated and used the answer and the substitution that worked is u = t + sqrt(t^2 +3)
0
1
null
null
null
null
null
1,435
help-10
b539712a3f65445a8cc3181d6979c061
707,444,936,957,624,300
andrehtan
11/10/2021 09:45:11
allows for int (1/u) du
0
1
null
null
null
null
null
1,435
help-10
b539712a3f65445a8cc3181d6979c061
707,444,936,957,624,300
andrehtan
11/10/2021 09:46:08
if you differentiate the answer, you'll see why it works
0
1
null
null
null
null
null
1,435
help-10
b539712a3f65445a8cc3181d6979c061
485,903,210,272,391,200
dldh06
11/10/2021 09:47:50
The other one that works too is $u=\frac{t}{\sqrt{3}}$
0
1
null
null
null
null
null
1,435
help-10
b539712a3f65445a8cc3181d6979c061
510,789,298,321,096,700
TeXit
11/10/2021 09:47:52
**dldh06**
https://cdn.discordapp.c…210272391178.png
485903210272391178.png
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1
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null
null
null
null
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help-10
b539712a3f65445a8cc3181d6979c061
342,683,123,479,478,300
Lasha
11/10/2021 09:50:04
thank you
1
0
null
null
null
null
null
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help-10
b539712a3f65445a8cc3181d6979c061
342,683,123,479,478,300
Lasha
11/10/2021 09:50:10
.close
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:27:27
If, ```f(x) = ln(x) then, derivative of f(x) = 1/x. Then how does f'(1) = 1```???
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:28:17
Do you know the definition of a derivative?
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:28:24
the rate of change of a function
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:28:48
Show me
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:29:04
what should I show you??
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:29:09
Which level of maths?
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:29:19
Calculus 1.
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:29:23
Ahhh
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:29:26
https://cdn.discordapp.c…06772/image0.jpg
image0.jpg
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
333,544,771,421,470,700
張嘉棋
03/23/2022 07:29:32
Then this
0
1
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:29:33
ik.
1
0
null
null
null
null
null
1,436
help-10
364a08fabef149f6be52b2e456232ba0
674,885,531,695,317,000
H A R I S
03/23/2022 07:29:38
wait
1
0
342,683,123,479,478,300
Lasha
1055
Lasha
false