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If abs(cos^(-1)((1-x^(2))/(1+x^(2)))) lt...

If `abs(cos^(-1)((1-x^(2))/(1+x^(2)))) lt pi/3`, then

A

`x in [-1/3, 1/sqrt(3)]`

B

`x in (-1/sqrt(3), 1/sqrt(3))`

C

`x in (0, 1/sqrt(3))`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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