Internal problem ID [7979]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 400.
ODE order: 1.
ODE degree: 2.
CAS Maple gives this as type [[_homogeneous, `class G`]]
\[ \boxed {2 {y^{\prime }}^{2}-2 y^{\prime } x^{2}+3 y x=0} \]
✓ Solution by Maple
Time used: 0.063 (sec). Leaf size: 109
dsolve(2*diff(y(x),x)^2-2*x^2*diff(y(x),x)+3*x*y(x) = 0,y(x), singsol=all)
\begin{align*} y \left (x \right ) = \frac {x^{3}}{6} \\ y \left (x \right ) = \frac {x^{3}}{3}-\frac {\left (x^{2}-\sqrt {-6 x c_{1}}\right ) x}{3}+c_{1} \\ y \left (x \right ) = \frac {x^{3}}{3}-\frac {\left (x^{2}+\sqrt {-6 x c_{1}}\right ) x}{3}+c_{1} \\ y \left (x \right ) = \frac {x^{3}}{3}+\frac {\left (-x^{2}-\sqrt {-6 x c_{1}}\right ) x}{3}+c_{1} \\ y \left (x \right ) = \frac {x^{3}}{3}+\frac {\left (-x^{2}+\sqrt {-6 x c_{1}}\right ) x}{3}+c_{1} \\ \end{align*}
✓ Solution by Mathematica
Time used: 2.614 (sec). Leaf size: 213
DSolve[3*x*y[x] - 2*x^2*y'[x] + 2*y'[x]^2==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} \text {Solve}\left [\frac {1}{3} \left (1-\frac {\sqrt {x^4-6 x y(x)}}{\sqrt {x} \sqrt {x^3-6 y(x)}}\right ) \log (y(x))+\frac {2 \sqrt {x^4-6 x y(x)} \log \left (x^{3/2}+\sqrt {x^3-6 y(x)}\right )}{3 \sqrt {x} \sqrt {x^3-6 y(x)}}=c_1,y(x)\right ] \\ \text {Solve}\left [\frac {1}{3} \left (\frac {\sqrt {x^4-6 x y(x)}}{\sqrt {x} \sqrt {x^3-6 y(x)}}+1\right ) \log (y(x))-\frac {2 \sqrt {x^4-6 x y(x)} \log \left (x^{3/2}+\sqrt {x^3-6 y(x)}\right )}{3 \sqrt {x} \sqrt {x^3-6 y(x)}}=c_1,y(x)\right ] \\ y(x)\to \frac {x^3}{6} \\ \end{align*}