Posted by haifeng on 2019-10-29 17:12:05 last update 2019-10-29 17:13:54 | Answers (1) | 收藏
求下列分段函数的导数
(1)
\[ f(x)=\begin{cases} \frac{\sqrt{x^2+1}-1}{x},& x\neq 0,\\ 0,& x=0. \end{cases} \]