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f(x) {(|x-(1)/(2)|",",0 le x lt 1),(x[x]...

`f(x) {(|x-(1)/(2)|",",0 le x lt 1),(x[x]",",1 le x lt 2):}` where [.] denotes the greatest integer function. Show that f(x) is continuous at x=1 but not differentiable at x=1.

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