

MCQOPTIONS
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1. |
Let \[f(x)\]be defined for all \[x>0\]and be continuous. Let \[f(x)\]satisfy \[f\left( \frac{x}{y} \right)=f(x)-f(y)\]for all x, y and \[f(e)=1,\]then [IIT 1995] |
A. | \[f(x)=\ln x\] |
B. | \[f(x)\]is bounded |
C. | \[f\left( \frac{1}{x} \right)\to 0\]as\[x\to 0\] |
D. | \[x\,f(x)\to 1\]as \[x\to 0\] |
Answer» B. \[f(x)\]is bounded | |