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int(0)^((pi)/(4))(dx)/(acos^(2)x+bsin^(2...

`int_(0)^((pi)/(4))(dx)/(acos^(2)x+bsin^(2)x)=`

A

`(1)/(ab)tan^(-1)((b)/(a))" if "agt0,bgt0`

B

`(1)/(ab)tan^(-1)((b)/(a))" if "alt0,blt0`

C

`(pi)/(4)" if "a=1, b=1`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
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