Internal problem ID [2549]
Book: Advanced Mathematica, Book2, Perkin and Perkin, 1992
Section: Chapter 11.3, page 316
Problem number: 7.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
Solve \begin {gather*} \boxed {y^{\prime } x -y=0} \end {gather*}
✓ Solution by Maple
Time used: 0.002 (sec). Leaf size: 7
dsolve(x*diff(y(x),x)=y(x),y(x), singsol=all)
\[ y \relax (x ) = x c_{1} \]
✓ Solution by Mathematica
Time used: 0.023 (sec). Leaf size: 14
DSolve[x*y'[x]==y[x],y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to c_1 x \\ y(x)\to 0 \\ \end{align*}