`int_0^pix/(a^2cos^2x+b^2sin^2x)dx`

A

(a) `(pi)/(ab)`

B

(b) `(pi)/(2ab)`

C

(c) `(pi^(2))/(ab)`

D

(d) `(pi^(2))/(2ab)`

Verified by Experts

The correct Answer is:

D

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