Internal problem ID [7820]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 241.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class A`], _rational, _Bernoulli]
\[ \boxed {2 y x y^{\prime }-y^{2}+a \,x^{2}=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 33
dsolve(2*x*y(x)*diff(y(x),x)-y(x)^2+a*x^2=0,y(x), singsol=all)
\begin{align*} y \left (x \right ) = \sqrt {-a \,x^{2}+x c_{1}} \\ y \left (x \right ) = -\sqrt {-a \,x^{2}+x c_{1}} \\ \end{align*}
✓ Solution by Mathematica
Time used: 0.379 (sec). Leaf size: 37
DSolve[2*x*y[x]*y'[x]-y[x]^2+a*x^2==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to -\sqrt {x (-a x+c_1)} \\ y(x)\to \sqrt {x (-a x+c_1)} \\ \end{align*}