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If f(x)=x^(3)-6x^(2)+9x+3 is a strictly ...

If `f(x)=x^(3)-6x^(2)+9x+3` is a strictly increasing function ,then x lies in :

A

`(-1,3)`

B

`(3,oo)`

C

`(-oo,1)uu(3,oo)`

D

`(oo,-1)uu(3,oo)`

Text Solution

Verified by Experts

The correct Answer is:
C
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