3.318 problem 1319

Internal problem ID [8898]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1319.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _exact, _linear, _homogeneous]]

Solve \begin {gather*} \boxed {x \left (x^{2}+2\right ) y^{\prime \prime }-y^{\prime }-6 y x=0} \end {gather*}

Solution by Maple

Time used: 0.018 (sec). Leaf size: 37

dsolve(x*(x^2+2)*diff(diff(y(x),x),x)-diff(y(x),x)-6*x*y(x)=0,y(x), singsol=all)
 

\[ y \relax (x ) = c_{1} \left (x^{2}+2\right )^{\frac {3}{4}} x^{\frac {3}{2}}+c_{2} \left (x^{2}+2\right )^{\frac {3}{4}} \hypergeom \left (\left [-\frac {3}{4}, \frac {7}{4}\right ], \left [\frac {1}{4}\right ], -\frac {x^{2}}{2}\right ) \]

Solution by Mathematica

Time used: 10.037 (sec). Leaf size: 54

DSolve[-6*x*y[x] - y'[x] + x*(2 + x^2)*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {1}{6} \left (x^2+2\right )^{3/4} \left (6 c_1 x^{3/2}-\sqrt [4]{2} c_2 \, _2F_1\left (-\frac {3}{4},\frac {7}{4};\frac {1}{4};-\frac {x^2}{2}\right )\right ) \\ \end{align*}