等于一个volume integral of (2 + 2y) over the solid E, 然后用spherical coordinates to calculate the volume integral.
等于一个volume integral of (2 + 2y) over the solid E, 然后用spheric
所有跟帖:
• 太好了,谢谢!这个呢? -Malbec- ♂ (88 bytes) () 12/20/2017 postreply 21:23:32
• I: (a), (b), (e); II: (c) -BeLe- ♀ (0 bytes) () 12/20/2017 postreply 21:36:27