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int(0)^(a)cos^(-1).(1-x^(2))/(1+x^(2))dx...

`int_(0)^(a)cos^(-1).(1-x^(2))/(1+x^(2))dx`

Text Solution

Verified by Experts

The correct Answer is:
`2atan^(-1)a-log(1+a^(2))`
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