If \[\underset{x\to a}{\mathop{\lim }}\,\frac{{{a}^{x}}-{{x}^{a}}}{{{x – McqOptions

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1.	If \[\underset{x\to a}{\mathop{\lim }}\,\frac{{{a}^{x}}-{{x}^{a}}}{{{x}^{x}}-{{a}^{a}}}=-1\], then[EAMCET 2003]
A.	\[a=1\]
B.	\[a=0\]
C.	\[a=e\]
D.	None of these
Answer» B. \[a=0\]

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