1.101 problem 101

Internal problem ID [8438]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 101.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class D`], _rational, _Bernoulli]

\[ \boxed {x y^{\prime }+x y^{2}-y=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 16

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

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

Solution by Mathematica

Time used: 0.14 (sec). Leaf size: 23

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

\begin{align*} y(x)\to \frac {2 x}{x^2+2 c_1} \\ y(x)\to 0 \\ \end{align*}