Question
f(x) = 9^x*log_{4}x
f'(x)=?
f'(x)=?
Answers
Steve
f = 9^x log<sub>4</sub>x
f' = ln9 9^x + 1/(x ln4)
because log<sub>4</sub>x = lnx/ln4
f' = ln9 9^x + 1/(x ln4)
because log<sub>4</sub>x = lnx/ln4