find derivative of

Question

f(x)= log_5((x-4)^3) + e^((x-1)(x+1))

Log_5 means log base 5

Answer 1

f(x)= log_5((x-4)^3) + e^((x-1)(x+1))
= 3log_5(x-4) + e^(x^2-1)

f' = 3/(ln5 (x-4)) + 2x e^(x^2-1)