5.2 problem 2

Internal problem ID [4401]

Book: Differential Equations, By George Boole F.R.S. 1865
Section: Chapter 6
Problem number: 2.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, _Riccati]

\[ \boxed {x y^{\prime }-a y+y^{2}=x^{-\frac {2 a}{3}}} \]

Solution by Maple

Time used: 0.016 (sec). Leaf size: 163

dsolve(x*diff(y(x),x)-a*y(x)+y(x)^2=x^(-2*a/3),y(x), singsol=all)
 

\[ y \left (x \right ) = -\frac {\left (3 x^{-\frac {a}{3}} \sqrt {x^{-\frac {2 a}{3}}}-2 \sqrt {x^{-\frac {2 a}{3}}}\, a -x^{-\frac {a}{3}} a +a^{2}\right ) {\mathrm e}^{\frac {3 x^{-\frac {a}{3}}}{a}}+\left (-3 \sqrt {x^{-\frac {2 a}{3}}}\, x^{-\frac {a}{3}} c_{1} -2 \sqrt {x^{-\frac {2 a}{3}}}\, c_{1} a -x^{-\frac {a}{3}} c_{1} a -c_{1} a^{2}\right ) {\mathrm e}^{-\frac {3 x^{-\frac {a}{3}}}{a}}}{\left (3 \sqrt {x^{-\frac {2 a}{3}}}-a \right ) {\mathrm e}^{\frac {3 x^{-\frac {a}{3}}}{a}}+\left (3 \sqrt {x^{-\frac {2 a}{3}}}\, c_{1} +c_{1} a \right ) {\mathrm e}^{-\frac {3 x^{-\frac {a}{3}}}{a}}} \]

Solution by Mathematica

Time used: 0.427 (sec). Leaf size: 270

DSolve[x*y'[x]-a*y[x]+y[x]^2==x^(-2*a/3),y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {x^{-a/3} \left (\left (a^2 x^{2 a/3}-3 i a c_1 x^{a/3}+3\right ) \cosh \left (\frac {3 x^{-a/3}}{a}\right )+i \left (a^2 c_1 x^{2 a/3}+3 i a x^{a/3}+3 c_1\right ) \sinh \left (\frac {3 x^{-a/3}}{a}\right )\right )}{\left (a x^{a/3}-3 i c_1\right ) \cosh \left (\frac {3 x^{-a/3}}{a}\right )+i \left (a c_1 x^{a/3}+3 i\right ) \sinh \left (\frac {3 x^{-a/3}}{a}\right )} y(x)\to \frac {\left (a^2 x^{2 a/3}+3\right ) \sinh \left (\frac {3 x^{-a/3}}{a}\right )-3 a x^{a/3} \cosh \left (\frac {3 x^{-a/3}}{a}\right )}{a x^{2 a/3} \sinh \left (\frac {3 x^{-a/3}}{a}\right )-3 x^{a/3} \cosh \left (\frac {3 x^{-a/3}}{a}\right )} \end{align*}