1.9 problem 9

Internal problem ID [12426]

Book: DIFFERENTIAL and INTEGRAL CALCULUS. VOL I. by N. PISKUNOV. MIR PUBLISHERS, Moscow 1969.
Section: Chapter 8. Differential equations. Exercises page 595
Problem number: 9.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

\[ \boxed {y-y^{\prime } x=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 7

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

\[ y \left (x \right ) = c_{1} x \]

Solution by Mathematica

Time used: 0.037 (sec). Leaf size: 14

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

\begin{align*} y(x)\to c_1 x \\ y(x)\to 0 \\ \end{align*}