5.2 problem Exercise 11.2, page 97

Internal problem ID [3988]

Book: Ordinary Differential Equations, By Tenenbaum and Pollard. Dover, NY 1963
Section: Chapter 2. Special types of differential equations of the first kind. Lesson 11, Bernoulli Equations
Problem number: Exercise 11.2, page 97.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

Solve \begin {gather*} \boxed {y^{\prime }+a y-b=0} \end {gather*}

Solution by Maple

Time used: 0.002 (sec). Leaf size: 17

dsolve(diff(y(x),x)+a*y(x)=b,y(x), singsol=all)
 

\[ y \relax (x ) = \frac {b}{a}+c_{1} {\mathrm e}^{-a x} \]

Solution by Mathematica

Time used: 0.035 (sec). Leaf size: 29

DSolve[y'[x]+a*y[x]==b,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {b}{a}+c_1 e^{-a x} \\ y(x)\to \frac {b}{a} \\ \end{align*}