Number of points where f(x)=[x]sin2(πx) is not differentiable if x∈ – InterviewSolution

1.	Number of points where f(x)=[x]sin2(πx) is not differentiable if x∈(−7,10) is (where [.] denotes the greatest integer function)
Answer» Number of points where $f (x) = [x] {sin}^{2} (π x)$ is not differentiable if $x \in (- 7, 10)$ is (where $[.]$ denotes the greatest integer function)

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