Use integration by parts to evaluate the integral 2xe7x dx 2x If Su dv S2xe7x dx what would be good dx what would be good choices for u and dv OA u e7x and dv 2xdx OB u 7x and dv 2xdx OC u 2x and dv e7xdx OD u 2x and dv 7xdx 2xe7x dx