Internal problem ID [8099]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 521.
ODE order: 1.
ODE degree: 3.
CAS Maple gives this as type [[_1st_order, _with_linear_symmetries], _Clairaut]
\[ \boxed {{y^{\prime }}^{3}+y^{\prime } x -y=0} \]
✓ Solution by Maple
Time used: 0.078 (sec). Leaf size: 33
dsolve(diff(y(x),x)^3+x*diff(y(x),x)-y(x)=0,y(x), singsol=all)
\begin{align*} y \left (x \right ) = -\frac {2 \sqrt {-3 x}\, x}{9} \\ y \left (x \right ) = \frac {2 \sqrt {-3 x}\, x}{9} \\ y \left (x \right ) = c_{1}^{3}+x c_{1} \\ \end{align*}
✓ Solution by Mathematica
Time used: 0.007 (sec). Leaf size: 54
DSolve[-y[x] + x*y'[x] + y'[x]^3==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to c_1 \left (x+c_1{}^2\right ) \\ y(x)\to -\frac {2 i x^{3/2}}{3 \sqrt {3}} \\ y(x)\to \frac {2 i x^{3/2}}{3 \sqrt {3}} \\ \end{align*}