1.592 problem 606

Internal problem ID [7325]

Book: Collection of Kovacic problems
Section: section 1
Problem number: 606.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x^{2} y^{\prime \prime }+x \left (x +2\right ) y^{\prime }-\left (2-3 x \right ) y=0} \]

Solution by Maple

Time used: 0.015 (sec). Leaf size: 36

dsolve(x^2*diff(y(x),x$2)+x*(2+x)*diff(y(x),x)-(2-3*x)*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = c_{1} {\mathrm e}^{-x} x +\frac {c_{2} \left ({\mathrm e}^{-x} \operatorname {Ei}_{1}\left (-x \right ) x^{3}+x^{2}+x +2\right )}{x^{2}} \]

Solution by Mathematica

Time used: 0.021 (sec). Leaf size: 41

DSolve[x^2*y''[x]+x*(2+x)*y'[x]-(2-3*x)*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{6} e^{-x} x (c_2 \operatorname {ExpIntegralEi}(x)+6 c_1)-\frac {c_2 \left (x^2+x+2\right )}{6 x^2} \\ \end{align*}