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The function f(x)=a sin |x| +be^|x| is d...

The function `f(x)=a sin |x| +be^|x|` is differentiable at `x=0` when

A

`3a+b=0`

B

`3a-b=0`

C

`a+b=0`

D

a-b=0

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The correct Answer is:
C
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