Sita is celebrating her birthday in fun ...

Sita is celebrating her birthday in fun city where she has invited her friends.There is a swing which is moving along the function `f(x)=x^3 + 1/(x^3)`.

Answer Questions:
In which interval swing is strictly increasing .

A

`(-infty,-1) uu (1,infty)`

B

`(-infty,-1)nn(1,infty)`

C

(-1,1)

D

(0,1)

Verified by Experts

The correct Answer is:

A

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