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@@ -127,6 +127,8 @@ $\text{罗尔定理}\xrightleftharpoons[\text{特例:}f(a)=f(b)]{\text{泛化
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\section{洛必达法则}
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\subsection{定理}
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若当$x\to a$或$x\to\infty$时两个函数$f(x)F(x)$都趋向0或无穷大,那么极限$\lim\limits_{x\to \frac{a}{\infty}}\dfrac{f(x)}{F(x)}$可能存在,也可能不存在,这种极限就是不定式。\medskip
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\textcolor{aqua}{\textbf{定理:}}
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@@ -138,7 +140,7 @@ $\text{罗尔定理}\xrightleftharpoons[\text{特例:}f(a)=f(b)]{\text{泛化
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\item $\lim\limits_{x\to a}\dfrac{f(x)}{g(x)}=\lim\limits_{x\to a}\dfrac{f'(x)}{g'(x)}$或$\lim\limits_{x\to\infty}\dfrac{f(x)}{g(x)}=\lim\limits_{x\to\infty}\dfrac{f'(x)}{g'(x)}$。
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\end{enumerate}
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\textcolor{orange}{注意:}
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\subsection{注意事项}
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\begin{enumerate}
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\item 如果函数比值不为$\dfrac{0}{0}$或$\dfrac{\infty}{\infty}$型,则不能使用洛必达法则。
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