\[{{\log }_{a}}x\] is defined for \[(a>0)\] [Roorkee 1990]

1.	\[{{\log }_{a}}x\] is defined for \[(a>0)\] [Roorkee 1990]
A.	All real x
B.	All negative real \[x\ne 1\]
C.	All positive real \[x\ne 0\]
D.	\[a\ge e\]
Answer» D. \[a\ge e\]

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\[{{\log }_{a}}x\] is defined for \[(a>0)\] [Roorkee 1990]

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