1.1 problem 1.1

Internal problem ID [3847]

Book: Differential Equations, By George Boole F.R.S. 1865
Section: Chapter 2
Problem number: 1.1.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

Solve \begin {gather*} \boxed {\left (x +1\right ) y+\left (1-y\right ) x y^{\prime }=0} \end {gather*}

Solution by Maple

Time used: 0.008 (sec). Leaf size: 19

dsolve((1+x)*y(x)+(1-y(x))*x*diff(y(x),x)=0,y(x), singsol=all)
 

\[ y \relax (x ) = -\LambertW \left (-\frac {{\mathrm e}^{-x}}{c_{1} x}\right ) \]

Solution by Mathematica

Time used: 0.017 (sec). Leaf size: 23

DSolve[(1+x)*y[x]+(1-y[x])*x*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -\text {ProductLog}\left (-\frac {e^{-x-c_1}}{x}\right ) \\ \end{align*}