The problem I am having is that ln x is all cubed and i dont know how to attack this problem properly. So this is not equal to ln x^3 which would differentiate to 3 ln x. So Thanks Looking forward for a reply.
First use the chain rule to get:
$\displaystyle \tfrac{d}{dx}(\ln x)^3 = 3(\ln x)^2 \cdot \tfrac{d}{dx}\ln x$
Then you should be able to derivate the ln x and get your answer.
Think of these questions like an onion. You have to peel away the outside of them before you can derivate what's inside the brackets.