44.3.9 problem 17 (b)

Internal problem ID [6990]
Book : A First Course in Differential Equations with Modeling Applications by Dennis G. Zill. 12 ed. Metric version. 2024. Cengage learning.
Section : Chapter 1. Introduction to differential equations. Review problems at page 34
Problem number : 17 (b)
Date solved : Wednesday, March 05, 2025 at 04:01:24 AM
CAS classification : [_separable]

\begin{align*} 3 x y^{\prime }-2 y&=0 \end{align*}

✓ Maple. Time used: 0.001 (sec). Leaf size: 9

ode:=3*x*diff(y(x),x)-2*y(x) = 0; 
dsolve(ode,y(x), singsol=all);
 

\[ y = c_{1} x^{{2}/{3}} \]

✓ Mathematica. Time used: 0.023 (sec). Leaf size: 18

ode=3*x*D[y[x],x]-2*y[x]==0; 
ic={}; 
DSolve[{ode,ic},y[x],x,IncludeSingularSolutions->True]
 

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

✓ Sympy. Time used: 0.154 (sec). Leaf size: 8

from sympy import * 
x = symbols("x") 
y = Function("y") 
ode = Eq(3*x*Derivative(y(x), x) - 2*y(x),0) 
ics = {} 
dsolve(ode,func=y(x),ics=ics)
 

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