85.21.2 problem 1 (b)

Internal problem ID [22565]
Book : Applied Differential Equations. By Murray R. Spiegel. 3rd edition. 1980. Pearson. ISBN 978-0130400970
Section : Chapter two. First order and simple higher order ordinary differential equations. A Exercises at page 55
Problem number : 1 (b)
Date solved : Thursday, October 02, 2025 at 08:51:41 PM
CAS classification : [_linear]

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

✓ Maple. Time used: 0.001 (sec). Leaf size: 16

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

\[ y = \frac {x^{5}+5 c_1}{5 x^{3}} \]

✓ Mathematica. Time used: 0.018 (sec). Leaf size: 19

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

\begin{align*} y(x)&\to \frac {x^2}{5}+\frac {c_1}{x^3} \end{align*}

✓ Sympy. Time used: 0.106 (sec). Leaf size: 12

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

\[ y{\left (x \right )} = \frac {C_{1} + \frac {x^{5}}{5}}{x^{3}} \]