If the function f(x)=2x^3-9a x^2+12 x^2x...

If the function `f(x)=2x^3-9a x^2+12 x^2x+1,w h e r ea >0,` attains its maximum and minimum at `pa n dq` , respectively, such that `p^2=q ,` then `a` equal to 1 (b) 2 (c) `1/2` (d) 3

A

1

B

3

C

2

D

`sqrt2`

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The correct Answer is:

D

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