Internal problem ID [12702]
Book: Ordinary Differential Equations by Charles E. Roberts, Jr. CRC Press. 2010
Section: Chapter 2. The Initial Value Problem. Exercises 2.4.4, page 115
Problem number: 3 (b).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
\[ \boxed {y^{\prime }-\frac {y}{x}=0} \] With initial conditions \begin {align*} [y \left (-1\right ) = -1] \end {align*}
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 5
dsolve([diff(y(x),x)=y(x)/x,y(-1) = -1],y(x), singsol=all)
\[ y \left (x \right ) = x \]
✓ Solution by Mathematica
Time used: 0.035 (sec). Leaf size: 6
DSolve[{y'[x]==y[x]/x,{y[-1]==-1}},y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to x \]