If f(x) is continuous at x=0, where f(x...

If `f(x)` is continuous at `x=0`, where `f(x)=(log(1+x^(2))-log(1-x^(2)))/(sec x- cos x)`, for `x !=0`,
then `f(0)=`

A

(a) `1`

B

(b) `2`

C

(c) `0`

D

(d) `-1`

Verified by Experts

The correct Answer is:

B

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