Which one of the following isnot true al...

Which one of the following isnot true always?

A

If f(x) is not continuous at x=a, then it is not differentibale at x=a

B

If f(x) is continous at x=a, then it is differentiable at x=a

C

if f(x) and g(x) are differentiable at x=a, then f(x) + g(x) is also differentiable at x=a

D

If a function f(x) is continous at x=a, then `lim_(x to a) f(x)` exists

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The correct Answer is:

B

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