Question

f(x)= 4e^(xcos(x)) deravative? please

Answer 1

knpow about chain rule ?

Answer 2

yeah but wouldn't ex be the same

Answer 3

\(\Large (4e^{x \cos x})' = 4e^{x\cos x} \times (x\cos x )'\)

Answer 4

what would the derivative of the (xcosx )be? please tell me!

Answer 5

by chain rule

Answer 6

know product rule ?

Answer 7

\((fg)' = f'g+fg'\)

Answer 8

here f= x
g = cos x

Answer 9

ohh right haha, thanku

Answer 10

sorry I mean product rule

Answer 11

\[der(x)=4e ^{xcosx}[x(sinx)+cosx]\]

Answer 12

[cosx - xsinx]

Answer 13

yes :)

Answer 14

THankyou!! guys

Answer 15

welcome girl ^_^

Answer 16

most welcome