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f(x)={{:(2-|x^(2)+5x+6|",",xne-2),(a^(2)...

`f(x)={{:(2-|x^(2)+5x+6|",",xne-2),(a^(2)+1,x=-2):}` Then the range of a , so that f(x) has maxima at x=-2, is

A

`|a|ge1`

B

`|a|lt1`

C

`agt1`

D

`alt1`

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The correct Answer is:
A
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