Internal problem ID [4747]
Book: A treatise on ordinary and partial differential equations by William Woolsey Johnson.
1913
Section: Chapter IX, Special forms of differential equations. Examples XVII. page
247
Problem number: 21.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_Emden, _Fowler]]
\[ \boxed {y^{\prime \prime } x +3 y^{\prime }+4 y x^{3}=0} \]
✓ Solution by Maple
Time used: 0.015 (sec). Leaf size: 21
dsolve(x*diff(y(x),x$2)+3*diff(y(x),x)+4*x^3*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = \frac {c_{1} \sin \left (x^{2}\right )+c_{2} \cos \left (x^{2}\right )}{x^{2}} \]
✓ Solution by Mathematica
Time used: 0.08 (sec). Leaf size: 41
DSolve[x*y''[x]+3*y'[x]+4*x^3*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to \frac {4 c_1 e^{-i x^2}-i c_2 e^{i x^2}}{4 x^2} \]