Internal problem ID [7767]
Book: Collection of Kovacic problems
Section: section 1
Problem number: 280.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
\[ \boxed {y^{\prime \prime }-a^{2} y-\frac {6 y}{x^{2}}=0} \]
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 50
dsolve(diff(y(x),x$2)-a^2*y(x)=6*y(x)/x^2,y(x), singsol=all)
\[ y \left (x \right ) = \frac {c_{1} {\mathrm e}^{a x} \left (a^{2} x^{2}-3 a x +3\right )}{x^{2}}+\frac {c_{2} {\mathrm e}^{-a x} \left (a^{2} x^{2}+3 a x +3\right )}{x^{2}} \]
✓ Solution by Mathematica
Time used: 0.145 (sec). Leaf size: 90
DSolve[y''[x]-a^2*y[x]==6*y[x]/x^2,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {\sqrt {\frac {2}{\pi }} \left (\left (a^2 c_2 x^2-3 i a c_1 x+3 c_2\right ) \cosh (a x)+i \left (c_1 \left (a^2 x^2+3\right )+3 i a c_2 x\right ) \sinh (a x)\right )}{a^2 x^{3/2} \sqrt {-i a x}} \]