InterviewSolution
Saved Bookmarks
| 1. |
int2x^3cosx^2dx |
|
Answer» SOLUTION :`int2x^3cosx^2dx` [PUT `x^2=t Then 2xdx=dt] =`intx^2.cosx^2 .2xdx` =`intt.cost.dt` [1=1st cost=2nd] =`t.sint-int1sintdt` =tsint+cost+C =`x^2sinx^2+cosx^2+C` |
|