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If I=int(0)^(1)cos(2Cot^(-1)""(sqrt (1-x...

If `I=int_(0)^(1)cos(2Cot^(-1)""(sqrt (1-x)/(1+x)))dx` then

A

`Igt(1)/(2)`

B

`I=(1)/(2)`

C

`Ilt(1)/(2)`

D

`I=(1)/(2)`

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