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The function f(x)=x^(3)-3x is :...

The function `f(x)=x^(3)-3x` is :

A

increasing in `(-oo, -1)cup [1, oo)` and decreasing in (-1, 1)

B

decreasing in `(-oo, -1) cup [1, oo)` and increasing in (-1, 1)

C

increasing in `(0, oo)` and decreasing in `(-oo, 0)`

D

decreasing in `(0, oo)` and increasing in `(-oo, 0)`.

Text Solution

Verified by Experts

The correct Answer is:
A
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