3.148 problem 1148

Internal problem ID [8728]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1148.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_Emden, _Fowler]]

Solve \begin {gather*} \boxed {y^{\prime \prime } x^{2}+a y=0} \end {gather*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 35

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

\[ y \relax (x ) = c_{1} x^{\frac {1}{2}+\frac {\sqrt {1-4 a}}{2}}+c_{2} x^{\frac {1}{2}-\frac {\sqrt {1-4 a}}{2}} \]

Solution by Mathematica

Time used: 0.005 (sec). Leaf size: 42

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

\begin{align*} y(x)\to x^{\frac {1}{2}-\frac {1}{2} \sqrt {1-4 a}} \left (c_2 x^{\sqrt {1-4 a}}+c_1\right ) \\ \end{align*}