8.11 problem 2(c)

Internal problem ID [6259]

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]

\[ \boxed {y^{2} y^{\prime }=x} \] With initial conditions \begin {align*} [y \left (-1\right ) = 3] \end {align*}

Solution by Maple

Time used: 0.141 (sec). Leaf size: 15

dsolve([y(x)^2*diff(y(x),x)=x,y(-1) = 3],y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {\left (12 x^{2}+204\right )^{\frac {1}{3}}}{2} \]

Solution by Mathematica

Time used: 0.191 (sec). Leaf size: 22

DSolve[{y[x]^2*y'[x]==x,{y[-1]==3}},y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \sqrt [3]{\frac {3}{2}} \sqrt [3]{x^2+17} \]