Internal problem ID [8120]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 540.
ODE order: 1.
ODE degree: 3.
CAS Maple gives this as type [_quadrature]
Solve \begin {gather*} \boxed {2 y \left (y^{\prime }\right )^{3}-y \left (y^{\prime }\right )^{2}+2 x y^{\prime }-x=0} \end {gather*}
✓ Solution by Maple
Time used: 0.062 (sec). Leaf size: 109
dsolve(2*y(x)*diff(y(x),x)^3-y(x)*diff(y(x),x)^2+2*x*diff(y(x),x)-x=0,y(x), singsol=all)
\begin{align*} x +\frac {x c_{1}}{\left (\frac {-x -\sqrt {-x y \relax (x )}+y \relax (x )}{y \relax (x )}\right )^{\frac {2}{3}} y \relax (x ) \left (\frac {\sqrt {-x y \relax (x )}+y \relax (x )}{y \relax (x )}\right )^{\frac {2}{3}}} = 0 \\ x +\frac {x c_{1}}{\left (\frac {-x +\sqrt {-x y \relax (x )}+y \relax (x )}{y \relax (x )}\right )^{\frac {2}{3}} y \relax (x ) \left (\frac {-\sqrt {-x y \relax (x )}+y \relax (x )}{y \relax (x )}\right )^{\frac {2}{3}}} = 0 \\ y \relax (x ) = \frac {x}{2}+c_{1} \\ \end{align*}
✓ Solution by Mathematica
Time used: 3.407 (sec). Leaf size: 61
DSolve[-x + 2*x*y'[x] - y[x]*y'[x]^2 + 2*y[x]*y'[x]^3==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {x}{2}+c_1 \\ y(x)\to \left (\frac {3 c_1}{2}-i x^{3/2}\right ){}^{2/3} \\ y(x)\to \left (i x^{3/2}+\frac {3 c_1}{2}\right ){}^{2/3} \\ \end{align*}