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Let f(x) = |x-1| +1/(sgn (sin x). If Lan...

Let f(x) = `|x-1| +1/(sgn (sin x)`. If` L`and `M` denote the number of points on `xepsilon(-1,pi]`is discontinuous and non-differentiable respectively, then find `L+M`.Note: sgn x denotes signum function of x.]

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