问题

Questions in category: 多元函数 (Multivariate functions).

求下列函数的全微分

Posted by haifeng on 2023-03-25 08:16:36 last update 2023-03-25 08:55:53 | Answers (1) | 收藏

(4) $z = \frac{2 x - y}{x + 2 y}$

(5) $u = x (x + y^{2} + z^{3})$