16.2 problem 1(b)

Internal problem ID [5279]

Book: An introduction to Ordinary Differential Equations. Earl A. Coddington. Dover. NY 1961
Section: Chapter 4. Linear equations with Regular Singular Points. Page 149
Problem number: 1(b).
ODE order: 2.
ODE degree: 1.

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

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

Solution by Maple

Time used: 0.016 (sec). Leaf size: 13

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

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

Solution by Mathematica

Time used: 0.004 (sec). Leaf size: 18

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

\begin{align*} y(x)\to \frac {c_1}{\sqrt {x}}+c_2 x \\ \end{align*}