3.1 problem 1(a)

Internal problem ID [5404]

Book: Differential Equations: Theory, Technique, and Practice by George Simmons, Steven Krantz. McGraw-Hill NY. 2007. 1st Edition.
Section: Chapter 1. What is a differential equation. Section 1.4 First Order Linear Equations. Page 15
Problem number: 1(a).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

Solve \begin {gather*} \boxed {y^{\prime }-y x=0} \end {gather*}

Solution by Maple

Time used: 0.016 (sec). Leaf size: 12

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

\[ y \relax (x ) = {\mathrm e}^{\frac {x^{2}}{2}} c_{1} \]

Solution by Mathematica

Time used: 0.036 (sec). Leaf size: 22

DSolve[y'[x]-x*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to c_1 e^{\frac {x^2}{2}} \\ y(x)\to 0 \\ \end{align*}