Question

Find y'. y=e^mx+cos(nx), where m and n are some constants

Answer 1

ok... so look at it parts

what is the 1st derivative of

\[f(x) = e^{mx}\]

and the 1st derivative of

\[g(x) = \cos(nx)\]

then

\[y' = f'(x) + g'(x)\]