Internal problem ID [7954]
Book: Collection of Kovacic problems
Section: section 1
Problem number: 477.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
\[ \boxed {x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (x^{2}+6\right ) y=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 19
dsolve(x^2*diff(y(x),x$2)-4*x*diff(y(x),x)+(x^2+6)*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = c_{1} x^{2} \sin \left (x \right )+c_{2} \cos \left (x \right ) x^{2} \]
✓ Solution by Mathematica
Time used: 0.028 (sec). Leaf size: 37
DSolve[x^2*y''[x]-4*x*y'[x]+(x^2+6)*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {1}{2} e^{-i x} x^2 \left (2 c_1-i c_2 e^{2 i x}\right ) \]