1.787 problem 804

Internal problem ID [8277]

Book: Collection of Kovacic problems
Section: section 1
Problem number: 804.
ODE order: 2.
ODE degree: 1.

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

\[ \boxed {x y^{\prime \prime }+3 y^{\prime }+4 y x^{3}=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 23

dsolve(x*diff(y(x),x$2)+3*diff(y(x),x)+4*x^3*y(x)=0,y(x), singsol=all)
 

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

Solution by Mathematica

Time used: 0.056 (sec). Leaf size: 41

DSolve[x*y''[x]+3*y'[x]+4*x^3*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to \frac {4 c_1 e^{-i x^2}-i c_2 e^{i x^2}}{4 x^2} \]