条件

\[①:\lim_{u\to u_{0}}f(u)=L \]

\[\\ \\ \]

\[②:\lim_{x\to x_{0}}g(x)=u_{0} \]

\[\\ \\ \]

\[③:在某去心邻域内g(x)不等于u_{0} \]

\[\\ \\ \]

\[则\lim_{x\to x_{0}}f[g(x)]=L \]

---

标签：函数,lim,邻域,复合,极限,等于
来源： https://www.cnblogs.com/Preparing/p/16592499.html