44.2.19 problem 19

Internal problem ID [6951]
Book : A First Course in Differential Equations with Modeling Applications by Dennis G. Zill. 12 ed. Metric version. 2024. Cengage learning.
Section : Chapter 1. Introduction to differential equations. Section 1.2 Initial value problems. Exercises 1.2 at page 19
Problem number : 19
Date solved : Monday, January 27, 2025 at 02:38:11 PM
CAS classification : [_separable]

\begin{align*} x y^{\prime }&=y \end{align*}

Solution by Maple

Time used: 0.008 (sec). Leaf size: 7

dsolve(x*diff(y(x),x)=y(x),y(x), singsol=all)
 
\[ y = c_{1} x \]

Solution by Mathematica

Time used: 0.028 (sec). Leaf size: 14

DSolve[x*D[y[x],x]==y[x],y[x],x,IncludeSingularSolutions -> True]
 
\begin{align*} y(x)\to c_1 x \\ y(x)\to 0 \\ \end{align*}