5.9 problem 9

Internal problem ID [11646]

Book: Differential Equations by Shepley L. Ross. Third edition. John Willey. New Delhi. 2004.
Section: Chapter 2, section 2.3 (Linear equations). Exercises page 56
Problem number: 9.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_linear]

\[ \boxed {y^{\prime } x +y x +y=1} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 16

dsolve(x*diff(y(x),x)+(x*y(x)+y(x)-1)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {c_{1} {\mathrm e}^{-x}+1}{x} \]

Solution by Mathematica

Time used: 0.028 (sec). Leaf size: 19

DSolve[x*y'[x]+(x*y[x]+y[x]-1)==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \frac {1+c_1 e^{-x}}{x} \]