作者chat543 (小ㄐ)
看板trans_math
標題[積分] 線積分
時間Sun Jun 22 16:52:58 2008
94成大第十題
evaluate the line integral ∫F dr ,where F (x,y,z)=-y^2i+xj+z^2k and C
c
is the curve of intersection of the plane z=2 and cyliner x^2+y^2=1.
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◆ From: 125.229.195.125
1F:推 future1234:柱座標跟stoke's 算看看~ 203.67.210.63 06/22 16:56
2F:推 LeoRen:用stoke's即可,先找C的參數式r(θ),然後積118.161.145.206 06/22 19:16
3F:→ LeoRen:F.dr118.161.145.206 06/22 19:16
4F:→ chat543:算出來答案是"兀"~是對的嗎?125.229.195.125 06/22 21:12
5F:→ LeoRen:我計算得16π118.161.145.206 06/22 21:35
6F:→ chat543:差真多= =~可以交我怎嚜算嗎?125.229.195.125 06/22 21:41
7F:→ LeoRen:抱歉 忘了用dr去算 不是16π 我回在版上 118.161.147.78 06/22 21:52
8F:→ chat543:感恩^^"125.229.195.125 06/22 21:55