Re: [考古] 92台大B
出來的圖形有點像是ice cream cone 上面再加一球冰淇淋
(x,y,z)=(rsinψcosθ,rsinψsinθ,rcosψ)
dV=r^2 sinψ dr dθ dψ
解交線 x^2+y^2=(1/2)^2
pi/6 2pi 1
V=∫dV =∫ ∫ ∫r^2 sinψ dr dθ dψ
0 0 0
2pi(1-cos(pi/6))
= ---
3
有錯請指證謝謝
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.120.82.25
推
07/02 16:31, , 1F
07/02 16:31, 1F
※ 編輯: kuoze1022 來自: 140.120.82.41 (07/02 16:46)
推
07/02 16:52, , 2F
07/02 16:52, 2F
→
07/02 16:52, , 3F
07/02 16:52, 3F
→
07/02 16:53, , 4F
07/02 16:53, 4F
→
07/02 16:54, , 5F
07/02 16:54, 5F
→
07/02 16:54, , 6F
07/02 16:54, 6F
→
07/02 16:54, , 7F
07/02 16:54, 7F
※ 編輯: kuoze1022 來自: 140.120.82.30 (07/02 17:19)
討論串 (同標題文章)