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Find the correct statement:

A

If f is differentiable at x = `x_(o)` then f is continuous at `x_(o)`

B

If `f(x) = u(x) v(x) then f'(x) = (u(x) v' + u'(x) v(x))/x^(2)`

C

`d/dx(cos^(-1)x) = 1/(sqrt(1 - x^(2)))`

D

`f(x) = xabs(x)` is not differentiable at x = 0

Text Solution

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The correct Answer is:
A
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