`intxsin^(3)x^(2)cosx^(2)dx=?`A. `(1)/(4)sin^(4)x^(2)+C`B. `(1)/(8)sin^(4)x^(2)+C`C. `(1)/(2)sin^(4)x^(2)+C`D. none of these

`intxsin^(3)x^(2)cosx^(2)dx=?`A. `(1)/(4)sin^(4)x^(2)+C`B. `(1)/(8)sin

1.	`intxsin^(3)x^(2)cosx^(2)dx=?`A. `(1)/(4)sin^(4)x^(2)+C`B. `(1)/(8)sin^(4)x^(2)+C`C. `(1)/(2)sin^(4)x^(2)+C`D. none of these
Answer» Correct Answer - B Put `sinx^(2)=t and2xcosx^(2)dx=dt`. `:." "I=(1)/(2)intt^(3)dt=(1)/(2)xx(t^(4))/(4)+C=(t^(4))/(8)+C=(1)/(8)sin^(4)x^(2)+C`.