Internal problem ID [3159]
Book: Differential equations for engineers by Wei-Chau XIE, Cambridge Press 2010
Section: Chapter 2. First-Order and Simple Higher-Order Differential Equations. Page
78
Problem number: 14.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_homogeneous, `class A`], _rational, [_Abel, `2nd type`, `class B`]]
\[ \boxed {-y x +y^{2}-y^{\prime } y x=-x^{2}} \]
✓ Solution by Maple
Time used: 0.015 (sec). Leaf size: 25
dsolve((x^2-x*y(x)+y(x)^2)-x*y(x)*diff(y(x),x)=0,y(x), singsol=all)
\[ y \left (x \right ) = {\mathrm e}^{-\operatorname {LambertW}\left (\frac {{\mathrm e}^{-c_{1}} {\mathrm e}^{-1}}{x}\right )-c_{1} -1}+x \]
✓ Solution by Mathematica
Time used: 3.69 (sec). Leaf size: 25
DSolve[(x^2-x*y[x]+y[x]^2)-x*y[x]*y'[x]==0,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*}