6.1 problem 1

Internal problem ID [1030]

Book: Elementary differential equations with boundary value problems. William F. Trench. Brooks/Cole 2001
Section: Chapter 2, First order equations. Exact equations. Section 2.5 Page 79
Problem number: 1.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_separable]

Solve \begin {gather*} \boxed {6 x^{2} y^{2}+4 x^{3} y y^{\prime }=0} \end {gather*}

Solution by Maple

Time used: 0.008 (sec). Leaf size: 33

dsolve(6*x^2*y(x)^2+4*x^3*y(x)*diff(y(x),x)=0,y(x), singsol=all)
 

\begin{align*} y \relax (x ) = 0 \\ y \relax (x ) = -\frac {\sqrt {-2 x c_{1}}}{2 x^{2}} \\ y \relax (x ) = \frac {\sqrt {-2 x c_{1}}}{2 x^{2}} \\ \end{align*}

Solution by Mathematica

Time used: 0.025 (sec). Leaf size: 23

DSolve[6*x^2*y[x]^2+4*x^3*y[x]*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to 0 \\ y(x)\to \frac {c_1}{x^{3/2}} \\ y(x)\to 0 \\ \end{align*}