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If $x=-1$ and $x = 2$ extreme points of $f(x)= \alpha \log |x| +\beta x^2+x$ then

$\begin{array}{1 1}(A)\;\alpha =-6, \beta=\large\frac{1}{2} \\ (B)\;\alpha =-6, \beta=\large\frac{-1}{2} \\(C)\;\alpha =2, \beta=\large\frac{-1}{2} \\(D)\;\alpha =2, \beta=\large\frac{1}{2} \end{array} $

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1 Answer

$\alpha =2, \beta=\large\frac{-1}{2} $ is correct.
Hence C is the correct answer.
answered Apr 7, 2014 by meena.p
 

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