let $f$ be a continious real value function on $\mathbb{R}$ and $n$ a postive intger .
find $$ \frac{\text{d}}{\text{d}x} \int_{0}^{x} (2x-t)^nf(t) \text{d}t$$
my attempt : im thinking about leibtinitz theorem but i couldnot get the hints...
any hints/solution will be appreciated