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If f(x) = kx^(3) - 9x^(2) +9x + 3 is inc...

If `f(x) = kx^(3) - 9x^(2) +9x + 3` is increasing on R then

A

`k lt 3`

B

`k gt 3`

C

`k le 3`

D

none of these

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The correct Answer is:
B
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