A) \[a/b\]
B) \[b/a\]
C) 1
D) None of these
Correct Answer: A
Solution :
\[\underset{x\to 0}{\mathop{\lim }}\,\,\,\frac{\sin ax}{\sin bx}=\underset{x\to 0}{\mathop{\lim }}\,\,\,\frac{a}{b}\frac{\sin ax}{ax}\frac{bx}{\sin bx}=\frac{a}{b}\].
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