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If x = 1 is a critical point of the fun...

If x = 1 is a critical point of the function `f(x) = (3x^2 + ax -2 - a) e^x` , then :

A

x = 1 and ` x = - 2/3` are local minima of f .

B

x =1 and ` x = - 2/3 ` are local maxima of f .

C

x = 1 is a local maxima and `x =-2/3` is a local minima of f .

D

x = 1 is a local minima and ` x = - 2/3` is a local maxima of f .

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