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The function f(x)=x-[x] , where [⋅] den...

The function `f(x)=x-[x]` , where [⋅] denotes the greatest integer function is (a) continuous everywhere (b) continuous at integer points only (c) continuous at non-integer points only (d) differentiable everywhere

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  10. Let f(x)=|sinx| . Then, (a) f(x) is everywhere differentiable. ...

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