90.6.1 problem 1

Internal problem ID [25145]
Book : Ordinary Differential Equations. By William Adkins and Mark G Davidson. Springer. NY. 2010. ISBN 978-1-4614-3617-1
Section : Chapter 1. First order differential equations. Exercises at page 83
Problem number : 1
Date solved : Thursday, October 02, 2025 at 11:54:39 PM
CAS classification : [_rational, [_Abel, `2nd type`, `class B`]]

\begin{align*} y+2 t +2 t y y^{\prime }&=0 \end{align*}

✗ Maple

ode:=y(t)+2*t+2*t*y(t)*diff(y(t),t) = 0; 
dsolve(ode,y(t), singsol=all);
 

\[ \text {No solution found} \]

✗ Mathematica

ode=(y[t]+2*t)+2*t*y[t]*D[y[t],{t,1}] == 0; 
ic={}; 
DSolve[{ode,ic},y[t],t,IncludeSingularSolutions->True]
 

Not solved

✗ Sympy

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

RecursionError : maximum recursion depth exceeded