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int(0)^(pi)(x dx)/(4 cos^(2)x+9sin^(2)x)...

`int_(0)^(pi)(x dx)/(4 cos^(2)x+9sin^(2)x)=`

A

(a) `(pi^(2))/12`

B

(b) `(pi^(2))/4`

C

(c) `(pi^(2))/6`

D

(d) `(pi^(2))/3`

Text Solution

Verified by Experts

The correct Answer is:
A
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