Internal problem ID [3771]
Book: Ordinary differential equations and their solutions. By George Moseley Murphy.
1960
Section: Various 19
Problem number: 519.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
\[ \boxed {x \left (1-y\right ) y^{\prime }+y \left (x +1\right )=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 19
dsolve(x*(1-y(x))*diff(y(x),x)+(1+x)*y(x) = 0,y(x), singsol=all)
\[ y \left (x \right ) = -\operatorname {LambertW}\left (-\frac {{\mathrm e}^{-x}}{c_{1} x}\right ) \]
✓ Solution by Mathematica
Time used: 3.925 (sec). Leaf size: 28
DSolve[x(1-y[x])y'[x]+(1+x)y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to -W\left (-\frac {e^{-x-c_1}}{x}\right ) \\ y(x)\to 0 \\ \end{align*}