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If f is defined and continuous on [3, 5]...

If `f` is defined and continuous on `[3, 5]and f` is differentiable at `x=4 and f' (4) = 6`, then the value of `underset(x to 0)(lim) (f(4 + x) - f(4- x) )/( 4x)` is equal to a)0 b)2 c)3 d)4

A

0

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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