(x눀+2xy-y눀)dx+(y눀+2xy-x눀)dy=0,y | x=1,y=1求微分方程特解

求全过程
2024-12-03 08:37:52
推荐回答(1个)
回答1:

dy/dx=(x²+2xy-y²)/(x²-2xy-y²)
令y=ux,
则u+du/dx=(1+u-u²)/(1-u-u²)
算出u然后算出y然后特解