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

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

A

(a) `kgt3`

B

(b) `klt3`

C

(c) `kle3`

D

(d) None of these

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The correct Answer is:

A

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