4.6 problem Recognizable Exact Differential equations. Integrating factors. Example 10.781, page 90

Internal problem ID [3965]

Book: Ordinary Differential Equations, By Tenenbaum and Pollard. Dover, NY 1963
Section: Chapter 2. Special types of differential equations of the first kind. Lesson 10
Problem number: Recognizable Exact Differential equations. Integrating factors. Example 10.781, page 90.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

Solve \begin {gather*} \boxed {3 y-x y^{\prime }=0} \end {gather*}

Solution by Maple

Time used: 0.001 (sec). Leaf size: 9

dsolve((3*y(x))-(x)*diff(y(x),x)=0,y(x), singsol=all)
 

\[ y \relax (x ) = x^{3} c_{1} \]

Solution by Mathematica

Time used: 0.022 (sec). Leaf size: 16

DSolve[(3*y[x])-(x)*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to c_1 x^3 \\ y(x)\to 0 \\ \end{align*}