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Let . The number of non-differentiable points of the function in equals

  1. Let . The number of non-differentiable points of the function  in  equals

Grade:11

1 Answers

Aditya Gupta
2081 Points
5 years ago
it is NOT differentiable at 3 points namely
3, 3pi/4, 7pi/4
but is is differentiable at 1 and 2.
you can come up with the answer by defining the function separately on intervals of [0,1],[1,2], etc

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