[微積] Jacobian

[claudina (claudina)]

Let S be the surface parametrized by r(θ,z)=3sin2θi+6sin^2θj+zk where
0<=θ<=π. Which of the following is equivalent to the surface differential
d∂?

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 123.110.133.190