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Let g(x) be differentiable function on R...

Let g(x) be differentiable function on R such `f(x)=g(x)ln(4x^(3)-x)andg'((1)/(3))=-5` then the value of f' `((1)/(3))` is equal to

A

3

B

9

C

27

D

non existent

Text Solution

Verified by Experts

The correct Answer is:
A
Domain of f(x) does not contain the point `x=(1)/(3)`
`:.f'((1)/(3))` does not exist.
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