Range of the function f(x)=tan^(-1)sq...

Range of the function `f(x)=tan^(-1)sqrt([x]+[-x])+sqrt(2-|x|)+1/(x^2)` is: `[1/4,oo)` b. `{1/4}uu[2,oo)` `{1/4,2}` `[1/4,2]`

A

`[(1)/(4),oo)`

B

`{(1)/(4)}cup [2, oo)`

C

`{(1)/(4), 2}`

D

`[(1)/(4), 2]`

Verified by Experts

The correct Answer is:

C

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