The function \[f(x)=\frac{{{\sec }^{-1}}x}{\sqrt{x-[x]}},\] where [.] – McqOptions

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1.	The function \[f(x)=\frac{{{\sec }^{-1}}x}{\sqrt{x-[x]}},\] where [.] denotes the greatest integer less than or equal to x is defined for all x belonging to
A.	R
B.	\[R-\{(-1,\ 1)\cup (n\|n\in Z)\}\]
C.	\[{{R}^{+}}-(0,\ 1)\]
D.	\[{{R}^{+}}-\{n\|n\in N\}\]
Answer» C. \[{{R}^{+}}-(0,\ 1)\]

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