12.27 problem 346

Internal problem ID [3602]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 12
Problem number: 346.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y^{\prime } x^{3}-y \left (x^{2}+y\right )=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 15

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

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

Solution by Mathematica

Time used: 0.141 (sec). Leaf size: 22

DSolve[x^3 y'[x]==y[x](x^2+y[x]),y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {x^2}{1+c_1 x} y(x)\to 0 \end{align*}