Internal problem ID [8638]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 302.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class G`], _rational]
\[ \boxed {\left (y^{2} x^{2}+x \right ) y^{\prime }+y=0} \]
✓ Solution by Maple
Time used: 0.218 (sec). Leaf size: 137
dsolve((x^2*y(x)^2+x)*diff(y(x),x)+y(x)=0,y(x), singsol=all)
\begin{align*} y \left (x \right ) &= -\frac {\sqrt {2}\, \sqrt {x c_{1} \left (2 c_{1} +x -\sqrt {x \left (4 c_{1} +x \right )}\right )}}{2 c_{1} x} \\ y \left (x \right ) &= \frac {\sqrt {2}\, \sqrt {x c_{1} \left (2 c_{1} +x -\sqrt {x \left (4 c_{1} +x \right )}\right )}}{2 c_{1} x} \\ y \left (x \right ) &= -\frac {\sqrt {2}\, \sqrt {x c_{1} \left (2 c_{1} +x +\sqrt {x \left (4 c_{1} +x \right )}\right )}}{2 c_{1} x} \\ y \left (x \right ) &= \frac {\sqrt {2}\, \sqrt {x c_{1} \left (2 c_{1} +x +\sqrt {x \left (4 c_{1} +x \right )}\right )}}{2 c_{1} x} \\ \end{align*}
✓ Solution by Mathematica
Time used: 0.288 (sec). Leaf size: 65
DSolve[(x^2*y[x]^2+x)*y'[x]+y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {1}{2} \left (c_1-\frac {\sqrt {4+c_1{}^2 x}}{\sqrt {x}}\right ) \\ y(x)\to \frac {1}{2} \left (\frac {\sqrt {4+c_1{}^2 x}}{\sqrt {x}}+c_1\right ) \\ y(x)\to 0 \\ \end{align*}