Internal problem ID [6874]
Book: Collection of Kovacic problems
Section: section 1
Problem number: 142.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
Solve \begin {gather*} \boxed {x^{2} \left (x^{2}+1\right ) y^{\prime \prime }-3 x \left (-x^{2}+1\right ) y^{\prime }+4 y=0} \end {gather*}
✓ Solution by Maple
Time used: 0.016 (sec). Leaf size: 37
dsolve(x^2*(1+x^2)*diff(y(x),x$2)-3*x*(1-x^2)*diff(y(x),x)+4*y(x)=0,y(x), singsol=all)
\[ y \relax (x ) = \frac {c_{1} x^{2}}{\left (x^{2}+1\right )^{2}}+\frac {c_{2} x^{2} \left (\frac {x^{2}}{2}+\ln \relax (x )\right )}{\left (x^{2}+1\right )^{2}} \]
✓ Solution by Mathematica
Time used: 0.032 (sec). Leaf size: 36
DSolve[x^2*(1+x^2)*y''[x]-3*x*(1-x^2)*y'[x]+4*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \frac {x^2 \left (c_2 x^2+2 c_2 \log (x)+2 c_1\right )}{2 \left (x^2+1\right )^2} \\ \end{align*}