Grade 11Differential Calculus
- Let
. The number of non-differentiable points of the function 
in 
equals
1 Answer
Aditya Gupta
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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