(2) dfrac (dy)(dx)=yln dfrac (y)(x);

dfrac (dy)(dx)=yln dfrac (y)(x);

dfrac (dy)(dx)=(x)^2+(y)^2 B . dfrac (dy)(dx)=(x)^2+(y)^2 C .dfrac (dy)(dx)=(x)^

方程dfrac (dy)(dx)=dfrac (2y+x)(x)的通解为dfrac (dy)(dx)=dfrac (2y+x)(x)。方程的通解为。

微分方程dfrac (dy)(dx)=dfrac ({y)^2+(x)^3}(2xy)的通解为：dfrac (dy)(dx)=dfrac ({y)^2+(x)^

齐次方程dfrac (dy)(dx)=f(dfrac (y)(x)),可以设dfrac (dy)(dx)=f(dfrac (y)(x)),则方程可以化为dfra

微分方程dfrac (dy)(dx)=dfrac (y)(x+{y)^3}的通解为（）dfrac (dy)(dx)=dfrac (y)(x+{y)^3}微分方程

1.求下列齐次方程的通解:-|||-(1) -y-sqrt ({y)^2-(x)^2}=0;-|||-(2) dfrac (dy)(dx)=yln dfrac

1.求下列齐次方程的通解:-|||-(1) -y-sqrt ({y)^2-(x)^2}=0;-|||-(2) dfrac (dy)(dx)=yln dfrac

求方程 dfrac (dy)(dx)=2x-1-3(y)^2 通过点dfrac (dy)(dx)=2x-1-3(y)^2 的第二次近似解.dfrac (dy)(

2.解微分方程:-|||-(4) dfrac (dy)(dx)=dfrac (y)(x+{y)^2};