1.283 problem 284

Internal problem ID [7863]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 284.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class A`], _rational, _dAlembert]

\[ \boxed {\left (4 y^{2}+x^{2}\right ) y^{\prime }-y x=0} \]

Solution by Maple

Time used: 0.031 (sec). Leaf size: 21

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

\[ y \left (x \right ) = {\mathrm e}^{\frac {\operatorname {LambertW}\left (\frac {{\mathrm e}^{2 c_{1}} x^{2}}{4}\right )}{2}-c_{1}} \]

Solution by Mathematica

Time used: 10.068 (sec). Leaf size: 64

DSolve[(4*y[x]^2+x^2)*y'[x]-x*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -\frac {x}{2 \sqrt {W\left (\frac {1}{4} e^{-\frac {c_1}{2}} x^2\right )}} \\ y(x)\to \frac {x}{2 \sqrt {W\left (\frac {1}{4} e^{-\frac {c_1}{2}} x^2\right )}} \\ y(x)\to 0 \\ \end{align*}