Posted by haifeng on 2014-12-24 11:15:33 last update 2014-12-24 11:16:07 | Answers (1) | 收藏
\[ \lim_{x\rightarrow -\infty}\biggl(\frac{x+1}{x-2}\biggr)^{2x-1}, \]
\[ \lim_{x\rightarrow -\infty}e^{(\frac{x+1}{x-2})^{2x-1}}. \]