Assertion $(A)$: If $f(x)$ is not continuous at $x=a$,then it is not differentiable at $x=a$.
Reason $(R)$: If $f(x)$ is differentiable at a point,then it is continuous at that point.
Reason $(R)$: If $f(x)$ is differentiable at a point,then it is continuous at that point.
- A$(A)$ and $(R)$ are both true,$(R)$ is the correct explanation of $(A)$
- B$(A)$ and $(R)$ are both true,$(R)$ is not the correct explanation of $(A)$
- C$(A)$ is true,$(R)$ is false
- D$(A)$ is false,$(R)$ is true
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