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If x=-1 and x=2 are extreme points of f(...

If `x=-1 and x=2` are extreme points of `f(x)=alpha log |x|+ betax^(2)+x` then :

A

`alpha=-6, beta=(1)/(2)`

B

`alpha=-6, beta=-(1)/(2)`

C

`alpha=2, beta=-(1)/(2)`

D

`alpha=2, beta=(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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