Question

How do I find the derivative of the function `f(x) = 9x^2 ln(8x)`?

Answer 1

`f'(x)=18xln(8x)+9x`

Explanation:

By the product and chain rule we get
`f'(x)=18xln(8x)+9x^2*1(8x)*8`
`f'(x)=18xln(8x)+9x=9x(2ln(8x)+1)`