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If |cos^-1((1-x^2)/(1+x^2))| < pi/3, the...

If `|cos^-1((1-x^2)/(1+x^2))| < pi/3,` then x belongs to the interval

A

`[-1/sqrt3,1/sqrt3]`

B

`(-1/sqrt3,1/sqrt3)`

C

`(0,1/sqrt3)`

D

`[1,2]`

Text Solution

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The correct Answer is:
B
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