9.17 problem 9, using series method

Internal problem ID [4400]

Book: Mathematical Methods in the Physical Sciences. third edition. Mary L. Boas. John Wiley. 2006
Section: Chapter 12, Series Solutions of Differential Equations. Section 1. Miscellaneous problems. page 564
Problem number: 9, using series method.
ODE order: 2.
ODE degree: 1.

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

Solve \begin {gather*} \boxed {\left (x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+2 y=0} \end {gather*} With the expansion point for the power series method at \(x = 0\).

Solution by Maple

Time used: 0.002 (sec). Leaf size: 18

Order:=6; 
dsolve((x^2+1)*diff(y(x),x$2)-2*x*diff(y(x),x)+2*y(x)=0,y(x),type='series',x=0);
 

\[ y \relax (x ) = y \relax (0)+D\relax (y )\relax (0) x -x^{2} y \relax (0) \]

Solution by Mathematica

Time used: 0.001 (sec). Leaf size: 18

AsymptoticDSolveValue[(x^2+1)*y''[x]-2*x*y'[x]+2*y[x]==0,y[x],{x,0,5}]
 

\[ y(x)\to c_1 \left (1-x^2\right )+c_2 x \]