\[\underset{x\to \pi /2}{\mathop{\lim }}\,\frac{{{a}^{\cot x}}-{{a}^{\cos x}}}{\cot x-\cos x}=\] [Kerala (Engg.) 2001; J & K 2005]

\[\underset{x\to \pi /2}{\mathop{\lim }}\,\frac{{{a}^{\cot x}}-{{a}^{\

1.	\[\underset{x\to \pi /2}{\mathop{\lim }}\,\frac{{{a}^{\cot x}}-{{a}^{\cos x}}}{\cot x-\cos x}=\] [Kerala (Engg.) 2001; J & K 2005]
A.	\[\log a\]
B.	\[\log 2\]
C.	a
D.	log x
Answer» B. \[\log 2\]

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\[\underset{x\to \pi /2}{\mathop{\lim }}\,\frac{{{a}^{\cot x}}-{{a}^{\cos x}}}{\cot x-\cos x}=\] [Kerala (Engg.) 2001; J & K 2005]

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