17.16 problem 16

Internal problem ID [14817]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 4. Higher Order Equations. Exercises 4.9, page 215
Problem number: 16.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x^{2} y^{\prime \prime }+3 y^{\prime } x +y=0} \] With the expansion point for the power series method at \(x = 0\).

Solution by Maple

Time used: 0.031 (sec). Leaf size: 29

Order:=6; 
dsolve(x^2*diff(y(x),x$2)+3*x*diff(y(x),x)+y(x)=0,y(x),type='series',x=0);
 

\[ y \left (x \right ) = \frac {c_{1} +c_{2} \ln \left (x \right )}{x}+O\left (x^{6}\right ) \]

Solution by Mathematica

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

AsymptoticDSolveValue[x^2*y''[x]+3*x*y'[x]+y[x]==0,y[x],{x,0,5}]
 

\[ y(x)\to \frac {c_1}{x}+\frac {c_2 \log (x)}{x} \]