Function f(x) = (1-cos 4x)//(8x^(2)), " ...

Function `f(x) = (1-cos 4x)//(8x^(2)), " where " x != 0 ` , and `f(x) = k`,
where `x = 0` , is a continuous function at `x = 0` Then : `k =`

A

(a) `0`

B

(b) `1`

C

(c) `-1`

D

(d) none of these

Verified by Experts

The correct Answer is:

B

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