Q.13 Given the following statements about a function , select the right option:
P : If f (x) is continuous at , then it is also differentiable at
Q : If f (x) is continuous at , then it may not be differentiable at
R : If f (x) is differentiable at, then it is also continuous at
(A) P is true, Q is false, R is false
(B) P is false, Q is true, R is true
(C) P is false, Q is true, R is false
(D) P is true, Q is false, R is true
Answer: (B)
Explanation: