推 horse5566lee:怪怪的 11/02 23:41
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小弟不才
以下幾題ODE真的想不到要怎麼解
煩請板上各位高手了
1. Solve (sinycosy+xcos^2y)dx+xdy=0
y^2+2y
2. Solve y'= --------------
y^4+2xy+4x
3. Solve (2xcosy+4x^2)dx=xsinydy
4. Solve the ODE and find an integrating factor
(3y^2+x+1)dx+2y(x+1)dy=0
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