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Question

Given the following statements about a function f: R R, select the right option.

P : If f(x) is continuous at x = x0, then it is also differentiable at x = x0

Q : If f(x) is continuous at x = x0, then it may not be differentiable at x = x0.

R : If f(x) is differentiable at x = x0, then it is continuous at x = x0

A
P is true, Q is false, R is false
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B
P is false, Q is true, R is true
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C
P is false, Q is true, R is false
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D
P is true, Q is false, R is true
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Solution

The correct option is B P is false, Q is true, R is true
Continuity is the necessary condition for differentiability but it is not a sufficient condition.

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