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If f (x)= ae^(|x|)+b |x|^(2) ,a ,b in ...

If f (x)= ` ae^(|x|)+b |x|^(2) ,a ,b in ` R and f(x) is differentiable at x =0 ,then

A

`a=0,b in R`

B

`a=1,b=3`

C

`a=1,b=2`

D

`a=2,b=3`

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The correct Answer is:
A
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