1.9 problem 5.b

Internal problem ID [2579]

Book: Differential equations with applications and historial notes, George F. Simmons, 1971
Section: Chapter 2, section 7, page 37
Problem number: 5.b.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y^{\prime }-\frac {x +y+4}{x +y-6}=0} \]

Solution by Maple

Time used: 0.016 (sec). Leaf size: 21

dsolve(diff(y(x),x)=(x+y(x)+4)/(x+y(x)-6),y(x), singsol=all)
 

\[ y \left (x \right ) = -x -5 \operatorname {LambertW}\left (-\frac {{\mathrm e}^{-\frac {2 x}{5}} c_{1} {\mathrm e}^{\frac {1}{5}}}{5}\right )+1 \]

Solution by Mathematica

Time used: 3.764 (sec). Leaf size: 35

DSolve[y'[x]==(x+y[x]+4)/(x+y[x]-6),y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -5 W\left (-e^{-\frac {2 x}{5}-1+c_1}\right )-x+1 \\ y(x)\to 1-x \\ \end{align*}