1.8 problem 8

Internal problem ID [4968]

Book: Ordinary differential equations and calculus of variations. Makarets and Reshetnyak. Wold Scientific. Singapore. 1995
Section: Chapter 1. First order differential equations. Section 1.1 Separable equations problems. page 7
Problem number: 8.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

Solve \begin {gather*} \boxed {y^{\prime }-3 y^{\frac {2}{3}}=0} \end {gather*} With initial conditions \begin {align*} [y \relax (2) = 0] \end {align*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 5

dsolve([diff(y(x),x)=3*y(x)^(2/3),y(2) = 0],y(x), singsol=all)
 

\[ y \relax (x ) = 0 \]

Solution by Mathematica

Time used: 0.003 (sec). Leaf size: 6

DSolve[{y'[x]==3*y[x]^(2/3),{y[2]==0}},y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to 0 \\ \end{align*}