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2 classes
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:30:19
z=f(x, y) etc
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
869,532,694,688,706,600
EpsilonNought
01/16/2022 09:30:26
One sec
0
1
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null
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90
help-10
850c51b4d5d84951be67609a1c52e527
869,532,694,688,706,600
EpsilonNought
01/16/2022 09:32:34
I don’t understand lol
0
1
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null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:33:15
okay I understand it until the part $\pdv{f}{r}$
1
0
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null
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null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
510,789,298,321,096,700
TeXit
01/16/2022 09:33:18
**Cüneyt**
https://cdn.discordapp.c…767145918525.png
886679767145918525.png
0
1
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:33:48
but how do we take the derivative of "df/dr" for theta
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:34:11
teacher has got f_xx and stuff like that
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:34:19
where did they come from
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:34:58
I guess I better rephrase the whole question in latex
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
869,532,694,688,706,600
EpsilonNought
01/16/2022 09:38:52
Is this partial differential
0
1
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
869,532,694,688,706,600
EpsilonNought
01/16/2022 09:38:56
Cause I don’t know that
0
1
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:12
I cannot type it properly
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:15
but I will
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:16
just wait
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
510,789,298,321,096,700
TeXit
01/16/2022 09:39:50
**Cüneyt**
https://cdn.discordapp.c…767145918525.png
886679767145918525.png
0
1
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:53
yes
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:54
hell yeah
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:39:56
at last
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:40:45
I'll close this and paste this another channel
1
0
null
null
null
null
null
90
help-10
850c51b4d5d84951be67609a1c52e527
886,679,767,145,918,500
June8
01/16/2022 09:40:56
.close
1
0
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:39:49
Hey, could someone explain to me how we got 1-2sin^2alpha?
https://cdn.discordapp.c…2572/unknown.png
unknown.png
1
0
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
186,109,587,366,215,680
Omegabet_
11/03/2021 17:41:31
cos^2(a)=1-sin^2(a)
0
1
373,509,306,160,513,000
Jeremiah Cole
7875
Jeremiah Cole
false
91
help-10
538d025925ef48b7a1b158af313d97b2
186,109,587,366,215,680
Omegabet_
11/03/2021 17:41:43
so cos^2(a)-sin^2(a)=1-sin^2(a)-sin^2(a)
0
1
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:42:02
ohhhhhhhhh
1
0
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null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:42:28
i think i wrote notes on that somewhere
1
0
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null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:42:31
but just incase i didnt
1
0
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
330,423,197,943,988,200
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
11/03/2021 17:42:53
most classes will let you have a sheet of the trig identities during tests
0
1
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:42:54
what about sin^2 and tan^2? *if there is an expression to them*
1
0
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:43:00
not mine tho
1
0
330,423,197,943,988,200
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
0001
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
false
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:43:13
our teacher wants us to remember everything we've taken so far
1
0
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null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
330,423,197,943,988,200
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
11/03/2021 17:43:46
https://cdn.discordapp.c…g-identities.png
trig-identities.png
0
1
null
null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:44:07
yeah i remember this
1
0
330,423,197,943,988,200
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
0001
𝚈𝚎𝚎‐𝙷𝚊𝚠 🤠
false
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:44:13
especially pythagorean identities
1
0
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null
null
null
null
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:44:20
it was forced into my brain
1
0
null
null
null
null
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91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:44:24
anyway thanks @Omegabet_
1
0
186,109,587,366,215,680
Omegabet_
9771
Omegabet_
false
91
help-10
538d025925ef48b7a1b158af313d97b2
373,509,306,160,513,000
Jeremiah Cole
11/03/2021 17:44:26
.close
1
0
null
null
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null
null
92
help-10
c4f5b33c3d1c438db8541a200c3a095c
716,505,727,367,249,900
your brother
01/16/2022 09:47:20
i need help with this
https://cdn.discordapp.c…864/IMG_3069.png
IMG_3069.png
1
0
null
null
null
null
null
92
help-10
c4f5b33c3d1c438db8541a200c3a095c
716,505,727,367,249,900
your brother
01/16/2022 09:47:39
idk how to explain this to my friend
1
0
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92
help-10
c4f5b33c3d1c438db8541a200c3a095c
318,162,663,131,709,440
Sparky
01/16/2022 09:52:51
If the oil price is 100€ and the price goes up by 20% it now cost 120€. But if it goes back down to 100€ you have only a decrease by 17%. since the difference of 20€ is less percent of 120 then of 100
0
1
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92
help-10
c4f5b33c3d1c438db8541a200c3a095c
716,505,727,367,249,900
your brother
01/16/2022 09:56:47
yeah thats what i told him
1
0
null
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92
help-10
c4f5b33c3d1c438db8541a200c3a095c
716,505,727,367,249,900
your brother
01/16/2022 09:57:01
nvm its fine i thihnk i know how to
1
0
null
null
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null
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92
help-10
c4f5b33c3d1c438db8541a200c3a095c
716,505,727,367,249,900
your brother
01/16/2022 09:57:03
/close
1
0
null
null
null
null
null
93
help-10
f443da41c8ba477496f25c05812b1e32
360,138,508,876,251,140
Oat
01/16/2022 10:59:44
How would I solve this?
https://cdn.discordapp.c…1454/unknown.png
unknown.png
1
0
null
null
null
null
null
93
help-10
f443da41c8ba477496f25c05812b1e32
360,138,508,876,251,140
Oat
01/16/2022 11:00:16
I assume I use 1-cos^2x instead of sin^2x
1
0
null
null
null
null
null
93
help-10
f443da41c8ba477496f25c05812b1e32
360,138,508,876,251,140
Oat
01/16/2022 11:00:30
And then at Cos^3x-Cos^5x I'm not sure what to do
1
0
null
null
null
null
null
93
help-10
f443da41c8ba477496f25c05812b1e32
251,788,903,730,642,940
hello2248
01/16/2022 11:00:34
Nope, use the other one
0
1
null
null
null
null
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93
help-10
f443da41c8ba477496f25c05812b1e32
251,788,903,730,642,940
hello2248
01/16/2022 11:00:42
1-sin^2(x)
0
1
null
null
null
null
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93
help-10
f443da41c8ba477496f25c05812b1e32
251,788,903,730,642,940
hello2248
01/16/2022 11:01:02
That way you have a cos(x) left over that the u substitution will get rid of
0
1
null
null
null
null
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93
help-10
f443da41c8ba477496f25c05812b1e32
360,138,508,876,251,140
Oat
01/16/2022 11:01:39
Ah ok ty. Might be back with more qs on thyis topic cos I haven't fully grasped it.
1
0
null
null
null
null
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93
help-10
f443da41c8ba477496f25c05812b1e32
360,138,508,876,251,140
Oat
01/16/2022 11:01:41
.close
1
0
null
null
null
null
null
94
help-10
0d368d3d7536426b944a0e0521b2130c
869,532,694,688,706,600
EpsilonNought
01/16/2022 11:02:41
Hmm
1
0
null
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94
help-10
0d368d3d7536426b944a0e0521b2130c
287,355,229,412,917,250
shriller44
01/16/2022 11:55:50
.close
0
1
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:13:15
hey can someone help me with this please: ``` Let p be an integer greater than 3, show that if p and (p + 2) are prime numbers then (p + 1) is divisible by 6 ```
1
0
null
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:16:33
How can p *and* p+1 be prime numbers?
0
1
null
null
null
null
null
95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:16:46
The only case of this is 2 and three isnt it
0
1
null
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:16:47
11 and 13
1
0
null
null
null
null
null
95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:17:09
Thats p+2 though
0
1
null
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:17:18
And 13 isnt divisible by 6
0
1
null
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:17:35
yea i made a mistake srry its p and p + 2
1
0
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:17:56
Ahhh
0
1
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
212,479,607,071,440,900
Luca
01/16/2022 12:17:57
Okay
0
1
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help-10
3fbe7e2e0ddb46db9903c84aec53d504
312,559,012,346,331,140
xdk1235
01/16/2022 12:17:59
ah the classic 6n-1 6n+1
0
1
null
null
null
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:21:52
if p is greater than 3 so and prime so p must be an odd number so we can write it as p = 2k + 1 and p + 2 will equal to 2k + 3
1
0
null
null
null
null
null
95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:22:20
but what do i do next
1
0
null
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95
help-10
3fbe7e2e0ddb46db9903c84aec53d504
639,431,909,709,054,000
chapato
01/16/2022 12:33:31
.close
1
0
null
null
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null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 12:49:52
what does it mean for this expression inside the limit to “not be differentiable at 0”
https://cdn.discordapp.c…23274/image0.jpg
image0.jpg
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,479,607,071,440,900
Luca
01/16/2022 12:51:41
it's not defined at 0
0
1
null
null
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null
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96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,479,607,071,440,900
Luca
01/16/2022 12:52:05
contrary |x| is defined at 0 but also not differentiable
0
1
null
null
null
null
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96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:52:31
To not be differentiable at 0 doesn't mean to not be defined at 0
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:53:12
An interval where the function is differentiable and an interval where the function is defined is very distinguishable
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:54:21
In fact, the function f(x)=|x| is differentiable at everywhere, except 0, so its interval of differentiability would be R*=R\\{0}
0
1
null
null
null
null
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96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:54:32
But its definition set is all R
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:55:28
Well here, for any x different than 0, you have x/x = 1
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:56:11
Since the limit when x goes to a is about looking at a function infinitely close to the a value, but not exactly on it
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:56:27
You'll never be on 0
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:56:54
So by simplifying ln(x²)/ln(x²)
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:57:00
You're getting a constant
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:57:09
That doesn't vary with respect to x
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,562,859,262,083,070
Epsilia aka Mellow
01/16/2022 12:57:18
So it's the limit you are searching for
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
220,517,274,845,577,200
ramonov
01/16/2022 12:57:58
that's not what they asked
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:00:09
u are only referring to the fraction, ignoring limit?
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:00:23
yeah
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:00:30
Definition of differentiable?
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:00:51
https://cdn.discordapp.c…6117/unknown.png
unknown.png
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:01:48
huh, why isn't it differentiable at 0 🤔 I'm not rlly with it today
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:01:58
I'm guessing there's a discontinuity there
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:02:38
Oh right, the limit doesn't exist because f(a) doesn't even exist
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
321,445,119,171,756,000
Shuri2060
01/16/2022 13:02:48
f(0) is undefined
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:05:10
f(0) gives infinity/infinity
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
757,715,340,930,056,200
Dam993
01/16/2022 13:06:11
If $800 is deposited in an account that pays 9% annual interest, compounded semiannually, find the balance after 10 years.
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
757,715,340,930,056,200
Dam993
01/16/2022 13:06:16
Need help with this
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
757,715,340,930,056,200
Dam993
01/16/2022 13:06:39
I got 1929.37122 this I’m not sure if it’s right
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:07:00
#❓how-to-get-help
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:07:08
this channel’s occupied
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
757,715,340,930,056,200
Dam993
01/16/2022 13:11:24
?
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,479,607,071,440,900
Luca
01/16/2022 13:13:51
f(0) gives nothing because ln(0) is not defined
0
1
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:38:07
so simply if a function’s not defined at a value, it’s derivative doesn’t exist?
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:38:42
because the function doesn’t exist?
1
0
null
null
null
null
null
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
686,586,658,237,317,200
brick
01/16/2022 13:39:56
why’s this not differentiable?
1
0
212,479,607,071,440,900
Luca
7715
Luca
false
96
help-10
9ab8f79340fd46928b26ee7b4fe71bbb
212,479,607,071,440,900
Luca
01/16/2022 13:40:29
it's not differentiable in 0 because there are multiple tangents to that point
0
1
null
null
null
null
null