Posted by haifeng on 2024-10-14 12:43:07 last update 2024-10-14 12:44:07 | Answers (2) | 收藏
若 $\lim\limits_{x\rightarrow 0}\frac{f(2x)}{x}=2$, 则 $\lim\limits_{x\rightarrow\infty}xf(\frac{1}{2x})$ 的值是多少?
