1.331 problem 336

Internal problem ID [7065]

Book: Collection of Kovacic problems
Section: section 1
Problem number: 336.
ODE order: 2.
ODE degree: 1.

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

Solve \begin {gather*} \boxed {x y^{\prime \prime }+3 y^{\prime }+x^{3} y=0} \end {gather*}

Solution by Maple

Time used: 0.005 (sec). Leaf size: 27

dsolve(x*diff(y(x),x$2)+3*diff(y(x),x)+x^3*y(x)=0,y(x), singsol=all)
 

\[ y \relax (x ) = \frac {c_{1} \sin \left (\frac {x^{2}}{2}\right )}{x^{2}}+\frac {c_{2} \cos \left (\frac {x^{2}}{2}\right )}{x^{2}} \]

Solution by Mathematica

Time used: 0.023 (sec). Leaf size: 43

DSolve[x*y''[x]+3*y'[x]+x^3*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {e^{-\frac {i x^2}{2}} \left (2 c_1-i c_2 e^{i x^2}\right )}{2 x^2} \\ \end{align*}