3.31 problem 4.7 (e)

Internal problem ID [13329]

Book: Ordinary Differential Equations. An introduction to the fundamentals. Kenneth B. Howell. second edition. CRC Press. FL, USA. 2020
Section: Chapter 4. SEPARABLE FIRST ORDER EQUATIONS. Additional exercises. page 90
Problem number: 4.7 (e).
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

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

Solution by Maple

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

dsolve(diff(y(x),x)=y(x)/x,y(x), singsol=all)
 

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

Solution by Mathematica

Time used: 0.019 (sec). Leaf size: 14

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

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