If f(x)=3x^(4)+4x^(3)-12x^(2)+12, then f...

If `f(x)=3x^(4)+4x^(3)-12x^(2)+12`, then `f(x)` is

A

increasing in `(-oo,-2)` and in (0, 1)

B

increasing in `(-2,0)` and in `(1,oo)`

C

decreasing in `(-2,0)` and in `(0,1)`

D

decreasing in `(-oo,-2)` and in `(1,oo)`

Verified by Experts

The correct Answer is:

B

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