Posted by haifeng on 2020-05-14 09:16:43 last update 2020-05-14 09:16:43 | Answers (1) | 收藏
设 $x_1,x_2,\ldots,x_n$ 是方程 $\tan x=x$ 的全部正根, 且按升序排列.
求
\[\lim\limits_{n\rightarrow\infty}(x_n-x_{n-1}).\]
