If \[{{\log }_{1/2}}\left( {{x}^{2}}-5x+7 \right)>0,\] then exhaustive range of values of x is

\[(-\infty ,1)\cup (1,2)\cup (2,\infty )\]

\[(-\infty ,2)\cup (3,\infty )\]

If \[{{\log }_{1/2}}\left( {{x}^{2}}-5x+7 \right)>0,\] then exhaustive

1.	If \[{{\log }_{1/2}}\left( {{x}^{2}}-5x+7 \right)>0,\] then exhaustive range of values of x is
A.	\[(-\infty ,2)\cup (3,\infty )\]
B.	\[(2,3)\]
C.	\[(-\infty ,1)\cup (1,2)\cup (2,\infty )\]
D.	None of these
Answer» C. \[(-\infty ,1)\cup (1,2)\cup (2,\infty )\]

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If \[{{\log }_{1/2}}\left( {{x}^{2}}-5x+7 \right)>0,\] then exhaustive range of values of x is

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