Let f(x) = max { 4, 1+x^(2) ,x^(2) -1} A...

Let `f(x) = max { 4, 1+x^(2) ,x^(2) -1} AA x in R ` Total numbner of points , where f(x) is non -differentiable , is equal to

A

2

B

4

C

6

D

0

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The correct Answer is:

A

From the graph of the given function, it follows that f is not differentiable at `x= pm sqrt(3)`

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