Internal problem ID [5506]
Book: Differential Equations: Theory, Technique, and Practice by George Simmons, Steven Krantz.
McGraw-Hill NY. 2007. 1st Edition.
Section: Chapter 1. What is a differential equation. Problems for Review and Discovery. Page
53
Problem number: 2(c).
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_separable]
Solve \begin {gather*} \boxed {y^{2} y^{\prime }-x=0} \end {gather*} With initial conditions \begin {align*} [y \left (-1\right ) = 3] \end {align*}
✓ Solution by Maple
Time used: 0.063 (sec). Leaf size: 15
dsolve([y(x)^2*diff(y(x),x)=x,y(-1) = 3],y(x), singsol=all)
\[ y \relax (x ) = \frac {\left (12 x^{2}+204\right )^{\frac {1}{3}}}{2} \]
✓ Solution by Mathematica
Time used: 0.282 (sec). Leaf size: 22
DSolve[{y[x]^2*y'[x]==x,{y[-1]==3}},y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to \sqrt [3]{\frac {3}{2}} \sqrt [3]{x^2+17} \\ \end{align*}