2.13 problem 13

Internal problem ID [899]

Book: Elementary differential equations with boundary value problems. William F. Trench. Brooks/Cole 2001
Section: Chapter 2, First order equations. Linear first order. Section 2.1 Page 41
Problem number: 13.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

Solve \begin {gather*} \boxed {y^{\prime }+\left (\frac {1}{x}-1\right ) y+\frac {2}{x}=0} \end {gather*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 17

dsolve(diff(y(x),x) +(1/x-1)*y(x)=-2/x,y(x), singsol=all)
 

\[ y \relax (x ) = \frac {2}{x}+\frac {{\mathrm e}^{x} c_{1}}{x} \]

Solution by Mathematica

Time used: 0.034 (sec). Leaf size: 17

DSolve[y'[x] +(1/x-1)*y[x]==-2/x,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {2+c_1 e^x}{x} \\ \end{align*}