Report - e dA e dxdyjessada/CALIII/exam/f103105-1-50.pdf · 2009-07-30 · (1) (x2 2xy)dx x2dy 0 (2) (32 2) (3 2) 0 2 x xdy xy ydx (3) (x2 2y)dx 2x dy 0 (4) xdy (x y)dx 0 (5) xdy (y 2xex)dx

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