At which points the function\[f(x)=\frac{x}{[x]}\], where\[[.]\] is greatest integer function, is discontinuous

All positive and negative integers and (0, 1)

At which points the function\[f(x)=\frac{x}{[x]}\], where\[[.]\] is gr

1.	At which points the function\[f(x)=\frac{x}{[x]}\], where\[[.]\] is greatest integer function, is discontinuous
A.	Only positive integers
B.	All positive and negative integers and (0, 1)
C.	All rational numbers
D.	None of these
Answer» C. All rational numbers

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At which points the function\[f(x)=\frac{x}{[x]}\], where\[[.]\] is greatest integer function, is discontinuous

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