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Suppose that the function f attains a ma...

Suppose that the function f attains a maximum at `x=x_(1)` and a minimum at `x=x_(2)` such that `x_(2)=x_(1)^(2)`. If `f(x)=2x^(3)-9ax^(2)+12a^(2)x+1`, then a=

A

`-5`

B

1

C

7

D

2

Text Solution

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The correct Answer is:
D
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