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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. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 125.229.195.125
future1234:柱座標跟stoke's 算看看~ 203.67.210.63 06/22 16:56
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
LeoRen:F.dr118.161.145.206 06/22 19:16
chat543:算出來答案是"兀"~是對的嗎?125.229.195.125 06/22 21:12
LeoRen:我計算得16π118.161.145.206 06/22 21:35
chat543:差真多= =~可以交我怎嚜算嗎?125.229.195.125 06/22 21:41
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
chat543:感恩^^"125.229.195.125 06/22 21:55