29.35.28 problem 1062

Internal problem ID [5626]
Book : Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section : Various 35
Problem number : 1062
Date solved : Sunday, March 30, 2025 at 09:24:07 AM
CAS classification : [[_1st_order, _with_linear_symmetries], _dAlembert]

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

✓ Maple. Time used: 0.108 (sec). Leaf size: 77

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

\begin{align*} y &= -\frac {\left (i \sqrt {3}-1\right ) x}{2} \\ y &= \frac {\left (1+i \sqrt {3}\right ) x}{2} \\ y &= -x \\ y &= \frac {2 \sqrt {c_1 x}\, x -c_1^{2}}{3 c_1} \\ y &= \frac {-c_1^{2}-2 \sqrt {c_1 x}\, x}{3 c_1} \\ \end{align*}

✓ Mathematica. Time used: 99.868 (sec). Leaf size: 18492

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

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✗ Sympy

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

Timed Out