2.4 problem Differential equations with Linear Coefficients. Exercise 8.4, page 69

Internal problem ID [3935]

Book: Ordinary Differential Equations, By Tenenbaum and Pollard. Dover, NY 1963
Section: Chapter 2. Special types of differential equations of the first kind. Lesson 8
Problem number: Differential equations with Linear Coefficients. Exercise 8.4, page 69.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class C`], _rational, [_Abel, `2nd type``class A`]]

\[ \boxed {x +y-1+\left (2 x +2 y-3\right ) y^{\prime }=0} \]

Solution by Maple

Time used: 0.015 (sec). Leaf size: 29

dsolve((x+y(x)-1)+(2*x+2*y(x)-3)*diff(y(x),x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = {\mathrm e}^{-\operatorname {LambertW}\left (2 \,{\mathrm e}^{x} {\mathrm e}^{-4} {\mathrm e}^{-c_{1}}\right )+x -4-c_{1}}+2-x \]

Solution by Mathematica

Time used: 5.111 (sec). Leaf size: 33

DSolve[(x+y[x]-1)+(2*x+2*y[x]-3)*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{2} \left (W\left (-e^{x-1+c_1}\right )-2 x+4\right ) \\ y(x)\to 2-x \\ \end{align*}