[考古] 中山考古題

[hothero (hothero)]

1.Let S = {(x,y,z)| 0 ≦ √(x^2+y^2) ≦ 4-z, 0≦z≦2}
(b)Find the volume of S.

2.Is the vector field f(x,y)=(x^2 + xy^2, x^2y + y^2) conservative??

感恩~~

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 220.134.245.25