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Let f(x)={(x exp[-(1/|x|+1/x)], x ne 0)...

Let
`f(x)={(x exp[-(1/|x|+1/x)], x ne 0),(0, x=0):}`
Test whether
f(x) is differentiable at x=0

A

f is differentiable at x=0

B

h is differentiable at x=0

C

`(f@h)` is differentiable at x=0

D

`(h@f)` is differentiable at x=0

Text Solution

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The correct Answer is:
A, D
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