Internal problem ID [8771]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1191.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
Solve \begin {gather*} \boxed {y^{\prime \prime } x^{2}+y^{\prime } x^{2}-2 y=0} \end {gather*}
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 25
dsolve(x^2*diff(diff(y(x),x),x)+x^2*diff(y(x),x)-2*y(x)=0,y(x), singsol=all)
\[ y \relax (x ) = \frac {c_{1} \left (x -2\right )}{x}+\frac {c_{2} {\mathrm e}^{-x} \left (x +2\right )}{x} \]
✓ Solution by Mathematica
Time used: 0.006 (sec). Leaf size: 72
DSolve[-2*y[x] + x^2*y'[x] + x^2*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {e^{-x/2} \left (2 (i c_2 x+2 c_1) \sinh \left (\frac {x}{2}\right )-2 (c_1 x+2 i c_2) \cosh \left (\frac {x}{2}\right )\right )}{\sqrt {\pi } \sqrt {-i x} \sqrt {x}} \\ \end{align*}