Let be a function defined by Let S denote the set of all points in R, where f is not differentiable. Then set S is:
Option: 1
Option: 2
Option: 3 (an empty set)
Option: 4
Clearly f(x) having sharp edge at x = 0 and x = 1
Hence, f(x) is Non-differentiable at x=0,1
S = {0,1}
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