Question-168788

Question Number 168788 by TOTTI last updated on 17/Apr/22

Commented by Oktamboy last updated on 17/Apr/22

$$\int{xcos}\left({x}\right){dx}=\int{xdsinx}= \\ $$$$={xsinx}−\int{sinxdx}= \\ $$$$={xsinx}+{cosx}+{C} \\ $$