作者smallprawn (水中瑕)
看板Grad-ProbAsk
标题[理工] [工数]-stoke th
时间Tue Feb 9 23:58:57 2010
1.F=(x+y)i+(2x-z)j+yk. c是顶点(2,0,0).(0,3,0).(0,0,6)的三角形边界.求∫F‧dr=?
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1F：→ kagato:▽XF =2i+k , n=3i+2j+k , stoke's theorem 02/10 00:04