1.10 problem 3.4

Internal problem ID [4364]

Book: Differential Equations, By George Boole F.R.S. 1865
Section: Chapter 2
Problem number: 3.4.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class A`], _dAlembert]

\[ \boxed {-y \cos \left (\frac {y}{x}\right )+x \cos \left (\frac {y}{x}\right ) y^{\prime }=-x} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 12

dsolve((x-y(x)*cos(y(x)/x))+x*cos(y(x)/x)*diff(y(x),x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = -\arcsin \left (\ln \left (x \right )+c_{1} \right ) x \]

Solution by Mathematica

Time used: 0.359 (sec). Leaf size: 15

DSolve[(x-y[x]*Cos[y[x]/x])+x*Cos[y[x]/x]*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to x \arcsin (-\log (x)+c_1) \]