The value of x for which the function gi...

The value of x for which the function given by `f(x)=2x^3-3x^2-12x+12` is increasing lies in:
a)`(-infty,-1)cup(2,infty)` b)`(-infty,-4)cup(2,infty)`
c)`(-infty,0)cup(2,infty)` d)`(-infty,-2)cup(2,infty)`

A

`(-infty,-1)cup(2,infty)`

B

`(-infty,-4)cup(2,infty)`

C

`(-infty,0)cup(2,infty)`

D

`(-infty,-2)cup(2,infty)`

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The correct Answer is:

A

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