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If y=2 tan ^(-1) x + sin^(-1) ((2x)/(1+x...

If `y=2 tan ^(-1) x + sin^(-1) ((2x)/(1+x^(2))) " then: " y in`

A

`(-(pi)/(2),(pi)/(2))`

B

`(-pi.pi)`

C

`(-2pi,2pi)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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