If f(x)=int 2-(1)/(1+x^(2))-(1)/(sqrt(1+...

If `f(x)=int 2-(1)/(1+x^(2))-(1)/(sqrt(1+x^(2)))dx`, then f is

A

increasing in `(0,oo)" and decreasing "(-oo,0)`

B

increasing in `(-oo,0)" and " decreasing in "(0,oo)`

C

increasing in `(-oo,oo)`

D

decreasing in `(-oo,oo)`

Verified by Experts

The correct Answer is:

C

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