57.1.39 problem 39

Internal problem ID [9023]
Book : First order enumerated odes
Section : section 1
Problem number : 39
Date solved : Wednesday, March 05, 2025 at 07:14:52 AM
CAS classification : [_quadrature]

\begin{align*} \left (x -1\right ) y^{\prime }&=0 \end{align*}

✓ Maple. Time used: 0.003 (sec). Leaf size: 5

ode:=(x-1)*diff(y(x),x) = 0; 
dsolve(ode,y(x), singsol=all);
 

\[ y = c_{1} \]

✓ Mathematica. Time used: 0.002 (sec). Leaf size: 7

ode=(x-1)*D[y[x],x]==0; 
ic={}; 
DSolve[{ode,ic},y[x],x,IncludeSingularSolutions->True]
 

\[ y(x)\to c_1 \]

✓ Sympy. Time used: 0.035 (sec). Leaf size: 3

from sympy import * 
x = symbols("x") 
y = Function("y") 
ode = Eq((x - 1)*Derivative(y(x), x),0) 
ics = {} 
dsolve(ode,func=y(x),ics=ics)
 

\[ y{\left (x \right )} = C_{1} \]