7.13.18 problem 18

Internal problem ID [417]
Book : Elementary Differential Equations. By C. Henry Edwards, David E. Penney and David Calvis. 6th edition. 2008
Section : Chapter 3. Power series methods. Section 3.1 (Introduction). Problems at page 206
Problem number : 18
Date solved : Monday, January 27, 2025 at 02:53:30 AM
CAS classification : [_separable]

\begin{align*} x^{3} y^{\prime }&=2 y \end{align*}

Using series method with expansion around

\begin{align*} 0 \end{align*}

✗ Solution by Maple

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

\[ \text {No solution found} \]

✓ Solution by Mathematica

Time used: 0.007 (sec). Leaf size: 13

AsymptoticDSolveValue[x^3*D[y[x],x]==2*y[x],y[x],{x,0,"6"-1}]
 

\[ y(x)\to c_1 e^{-\frac {1}{x^2}} \]