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The range of f(x)=cos^(-1)((sqrt(2x^(2)+...

The range of `f(x)=cos^(-1)((sqrt(2x^(2)+1))/(x^(2)+1))` is

A

`[ - pi/2, pi/2]`

B

`[0, pi]`

C

`[0, pi/2)`

D

`(0, pi)`

Text Solution

Verified by Experts

The correct Answer is:
C
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