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Mathematics 23 Online
OpenStudy (anonymous):

Find the first and second derivitaives of the function y= e^e^x

OpenStudy (anonymous):

use chain rule

OpenStudy (anonymous):

omg taht is sooo confusing wel atleast how my teacher explains it

OpenStudy (anonymous):

y'=e^e^x.e^x

OpenStudy (anonymous):

is taht a multiplication symbol btwn e^e^x and e^x?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

\[y=e ^{e ^{x}}\]

OpenStudy (anonymous):

do u know chain rule?

OpenStudy (anonymous):

Just break it down, derivative of e^x would be e^x, which is the exponent for the lower e...therefore you would multiple e^e^x by e^x.

OpenStudy (anonymous):

i knw teh chain rule but idk how 2 use it

OpenStudy (anonymous):

For the second derivative you need to chain rule and product rule

OpenStudy (anonymous):

i know teh product rule

OpenStudy (anonymous):

so im confused about this chain rule

OpenStudy (anonymous):

y'=e^e^x.e^x u understand this?

OpenStudy (anonymous):

now product rule

OpenStudy (anonymous):

: f'(x) g(x) is taht wat u did?

OpenStudy (anonymous):

(fg)'=f'g+fg'

OpenStudy (anonymous):

Uzma please correct me if I made a mistake but the second derivative is y''= \[e^x *e^e^x + (e^x)^2 * e^e^x \]

OpenStudy (anonymous):

u r right jm

OpenStudy (anonymous):

so the anwer to the frst der is e^e^x * e^x and teh 2nd der is wat is written above?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

but make sure that u understand it

OpenStudy (anonymous):

can u explain teh chain rule

OpenStudy (anonymous):

if u have y=f(x)^g(x) the y'=[f(x)^g(x)]'.[g(x)]'

OpenStudy (anonymous):

in this case it was f(x) ^g(x) to another exponent....so then how wud u modify the formula

OpenStudy (anonymous):

no modification, just classify f(x) and g(x)

OpenStudy (anonymous):

wat do u mean?

OpenStudy (anonymous):

f(x)=e^e^x and g(x)=e^x apply the rule

OpenStudy (anonymous):

ohhh i get it.....

OpenStudy (anonymous):

so the der of e^e^x is just e^e^x? since e^x is e^x

OpenStudy (anonymous):

\[y[x]\text{=}e^{e^x} \]\[y'[x]=e^{e^x+x} \text{Log}[e]^2 \]\[y\text{''}[x]=e^{e^x+x} \text{Log}[e]^3 \left(1+e^x \text{Log}[e]\right) \]

OpenStudy (anonymous):

whoah...now u introduced logs..im confused....

OpenStudy (anonymous):

der of e^e^x is e^e^x, right?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

the what is exponent? e^x

OpenStudy (anonymous):

and its der ise^x multiply both

OpenStudy (anonymous):

inst it just e^x^2

OpenStudy (anonymous):

no

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

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