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feixiaolin

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¿ÉÊÓΪ£º[(ax+b)y]'=af(x)
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(ax+b)y = Integrate[a*f(x)] = a*Integrate[f(x)]
y = a*Integrate[f(x)]/(ax+b)
2Â¥2015-04-28 21:17:00
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peterflyer

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feixiaolin: ½ð±Ò+3 2015-05-01 17:56:15
Y=e^{-Integral{a/(a*x+b)*dx}}*{C+Integral{a/(a*x+b)*f(x)*e^{Integral{a/(a(x+b)*dx}*dx}
=1/(a*x+b)*{C+Integral{a/(a*x+b)*f(x)*(a*x+b)*dx}}
=C/(a*x+b)+1/(a*x+b)*Integral{a*f(x)*dx}
=C/(a*x+b)+a/(a*x+b)*Integral{f(x)*dx}
3Â¥2015-04-30 11:06:04
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