Question

Derivative of f(x) = (e^x)^-1

Answer 1

@SolomonZelman

Answer 2

sub `u` for `e^x`

Answer 3

f(x) = u^-1
f'(x) = -1/u^2

I got -1/ e^x . Is that correct?

Answer 4

Yes, but just 1/e^x without the minus

Answer 5

Please enlighten me?

Answer 6

nvm, you are right... sorry

Answer 7

You used to power rule correctly, I am an idiot -:(

Answer 8

derivative of e^x = 1(e^x)...
oh the weird thing is when I type the answer to the problem it says wrong xD
I guess I need parentheses !

Answer 9

No, you're not! You're smart and awesome. Thank you so much for coming to help me! <3

Answer 10

Anytime... I almost misled you, so be careful with me next time:)

Answer 11

Aww I'll pay lotsa attention to you xD <3

Answer 12

to me or to my solutions? that makes a difference ..... I know what you mean though :P

Answer 13

Can't it be both? >.o

Answer 14

Well, perhaps can be so...

Answer 15

Well it's admiration xP No worries!... yet

Answer 16

Really nice chatting with you. I'll see you again soon!

Answer 17

Thanks for helping me out :)

Answer 18

Yes, hopefully we'll meet, yw:)

Answer 19

definitely will

Answer 20

:)