Posted by haifeng on 2024-05-18 12:57:15 last update 2024-05-18 12:57:15 | Answers (1) | 收藏
计算 $\iiint_{\Omega}z\sqrt{x^2+y^2+z^2}\mathrm{d}V$, 其中 $\Omega=\{(x,y,z)\in\mathbb{R}^3\mid x^2+y^2+z^2\leqslant 1, z\geqslant\sqrt{3(x^2+y^2)}\}$.
