Question
Let f(x) = |sin x| Then
Options :
f is everywhere differentiable
f is everywhere continuous but not differentiable at x = nπ, n ∈ Z
f is everywhere continuous but no differentiable at x = (2n + 1) π/2 n ∈ Z
None of these
Answer :
f is everywhere continuous but not differentiable at x = nπ, n ∈ Z
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