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考研高等数学公式集锦

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(x, y ) ” P(x, y) dx Q(x, y)dy 0\r~£¸¹ºp²£GE ‰·²£GE~I"g(y)dy f(x)dxp»ˆ*Jq \rg(y)dy f (x)dx ¼ G(y) F(x) C ."½ˆ¾J6\rdyy f (x, y) (x, y), ‚¿R\rdxx\rydydududxduy r u u xu (u), ÀÁ u, xdxdxdxx (u) ux ÂÃGE \r‰·²£G‚¼ÂÃGE¾J6\r‰·Ä›²£GE \rdyl P(x)y Q(x) dx\rP(x)dxÅ Q(x) 0 8,"ÂÃGE*y Ce\rP(x)dx P(x)dxÅ Q(x) 0 8*"ÆÂÃGE*y ( Q(x)e dx C)e\rdy2 P(x)y Q(x)yn, (n 0, l)dx.\rD²£GE:\r0@P(x,y)dx Q(x, y)dy 0 !ÇÈ`‹v?pD²£GE*‚ \ru udu(x, y) P(x, y)dx Q(x, y)dy 0 P (x, y) Q(x, y) x y\ru(x, y) C ÉÊ`ÊD²£GEp¾J6\rË·²£GE \rf(x) 0 8"Âà d2ydy P(x) Q(x)y f (x)2dxdxf (x) 0 8"ÆÂÃ\rË·ÌA?ÂÃě²£GEÍ?Jq \r;<=>p?@ABC,C DEFDGHFABIJKLMNOPQ*RSTUV100%-\r14 -

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