7.5 problem 5

Internal problem ID [1065]

Book: Elementary differential equations with boundary value problems. William F. Trench. Brooks/Cole 2001
Section: Chapter 2, First order equations. Exact equations. Integrating factors. Section 2.6 Page 91
Problem number: 5.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

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

Solution by Maple

Time used: 0.001 (sec). Leaf size: 14

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

\begin{align*} y \relax (x ) = 0 \\ y \relax (x ) = c_{1} {\mathrm e}^{-\frac {2 x}{3}} \\ \end{align*}

Solution by Mathematica

Time used: 0.024 (sec). Leaf size: 25

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

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