1.97 problem 97

Internal problem ID [8434]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, linear first order
Problem number: 97.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class D`], _rational, _Riccati]

\[ \boxed {x y^{\prime }+a y^{2}-y=-x^{2} b} \]

Solution by Maple

Time used: 0.015 (sec). Leaf size: 25

dsolve(x*diff(y(x),x) + a*y(x)^2 - y(x) + b*x^2=0,y(x), singsol=all)
 

\[ y \left (x \right ) = -\frac {\tan \left (\sqrt {a b}\, \left (x +c_{1} \right )\right ) x \sqrt {a b}}{a} \]

Solution by Mathematica

Time used: 16.893 (sec). Leaf size: 36

DSolve[x*y'[x] + a*y[x]^2 - y[x] + b*x^2==0,y[x],x,IncludeSingularSolutions -> True]
                                                                                    
                                                                                    
 

\[ y(x)\to -\frac {\sqrt {b} x \tan \left (\sqrt {a} \sqrt {b} (x-c_1)\right )}{\sqrt {a}} \]