Internal problem ID [3762]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 18
Problem number: 510.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class A`], _rational, [_Abel, `2nd type`, `class B`]]
\[ \boxed {x y y^{\prime }+y x -y^{2}=x^{2}} \]
✓ Solution by Maple
Time used: 0.032 (sec). Leaf size: 19
dsolve(x*y(x)*diff(y(x),x) = x^2-x*y(x)+y(x)^2,y(x), singsol=all)
\[ y \left (x \right ) = x \left (1+\operatorname {LambertW}\left (\frac {{\mathrm e}^{-c_{1} -1}}{x}\right )\right ) \]
✓ Solution by Mathematica
Time used: 3.803 (sec). Leaf size: 25
DSolve[x y[x] y'[x]==x^2-x y[x]+y[x]^2,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to x \left (1+W\left (\frac {e^{-1+c_1}}{x}\right )\right ) \\ y(x)\to x \\ \end{align*}