Evaluate:`int_0^(pi//2)1/((a^2cos^2x+b^2sin^2x)^2)dx`A. `(pi(a^(2) +b^(2)))/(4a^(3)b^(3))`B. `(pi(a^(2)+b^(2)))/(4a^(2)b^(2))`C. None of the aboveD.

Evaluate:`int_0^(pi//2)1/((a^2cos^2x+b^2sin^2x)^2)dx`A. `(pi(a^(2) +b^

1.	Evaluate:`int_0^(pi//2)1/((a^2cos^2x+b^2sin^2x)^2)dx`A. `(pi(a^(2) +b^(2)))/(4a^(3)b^(3))`B. `(pi(a^(2)+b^(2)))/(4a^(2)b^(2))`C. None of the aboveD.
Answer» Correct Answer - B