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Let $f (x) = \frac{x - [x]}{1 + x - [x]},$ where $[x]$ denotes the greatest integer less than or equal to $x,$ then the range of $f$ is

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Correct option is C

If x is an integer, f(x)=0if x is not an integer x−[x]=pq where p and q are positive integers and p

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Let f(x)=x−[x]1+x−[x], where x denotes the greatest integer less than or equal to x, then the range of f is

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Let $f (x) = \frac{x - [x]}{1 + x - [x]},$ where $[x]$ denotes the greatest integer less than or equal to $x,$ then the range of $f$ is