8.8 problem 8

Internal problem ID [4362]

Book: Mathematical Methods in the Physical Sciences. third edition. Mary L. Boas. John Wiley. 2006
Section: Chapter 8, Ordinary differential equations. Section 13. Miscellaneous problems. page 466
Problem number: 8.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]

\[ \boxed {x^{2} y^{\prime \prime }-y^{\prime } x +y-x=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 20

dsolve(x^2*diff(y(x),x$2)-x*diff(y(x),x)+y(x)=x,y(x), singsol=all)
 

\[ y \left (x \right ) = c_{2} x +x \ln \left (x \right ) c_{1} +\frac {\ln \left (x \right )^{2} x}{2} \]

Solution by Mathematica

Time used: 0.006 (sec). Leaf size: 25

DSolve[x^2*y''[x]-x*y'[x]+y[x]==x,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{2} x \left (\log ^2(x)+2 c_2 \log (x)+2 c_1\right ) \\ \end{align*}