[latexpage]Tulis $latex x=\frac{1}{1/x}$, $latex f(x)=\frac{1}{1/f(x)}$ dan $latex g(x)=\frac{1}{1/g(x)}$. Misal\[ \latex \lim_{x \rightarrow a} \frac{f(x)}{g(x)}= \frac {\infty}{\infty}\]dan limit di atas ada, yaitu LMaka\[ \latex \lim_{x \rightarrow a} \frac{f(x)}{g(x)}= \lim_{x \rightarrow a} \frac{\frac{1}{1/f(x)}}{\frac{1}{1/g(x)}}=\lim_{x \rightarrow a}\frac{ \frac{1}{g(x)} ...
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