作者iamOrz (I am Orz)
看板trans_math
标题[积分] 问线积分
时间Tue Dec 27 23:01:51 2005
Evaluate the line integral
xdy - ydx
I = ∫---------------------
c (x+2y)^2 + (3x-y)^2
where C is the closed curve defined by (x+2y)^2 + (3x-y)^2 = 1 in
counterclockwise direction.
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