3.176 problem 1176

Internal problem ID [8756]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1176.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]

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

Solution by Maple

Time used: 0.004 (sec). Leaf size: 15

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

\[ y \relax (x ) = c_{1} x \sin \relax (x )+c_{2} \cos \relax (x ) x \]

Solution by Mathematica

Time used: 0.012 (sec). Leaf size: 33

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

\begin{align*} y(x)\to c_1 e^{-i x} x-\frac {1}{2} i c_2 e^{i x} x \\ \end{align*}