# Math Help - Derivative Question

1. ## Derivative Question

I have no idea how to answer the following question.

" If . Calculate ? "

Any help would be greatly appreciated!

2. Originally Posted by s3a
I have no idea how to answer the following question.

" If . Calculate ? "

Any help would be greatly appreciated!
Hint: using the chain rule: $\frac{d}{dx}\left(f(2x^3)\right)=6x^2 \frac{d}{d(2x^3)}\left(f(2x^3)\right)$
$\frac{d}{dx}f(2x^3)=f'(2x^3)\cdot6x^2$