2.56 problem 56

Internal problem ID [9643]

Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev. Second edition
Section: Chapter 1, section 1.2. Riccati Equation. 1.2.2. Equations Containing Power Functions
Problem number: 56.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, _Riccati]

Solve \begin {gather*} \boxed {\left (a \,x^{2}+b \right ) y^{\prime }+\alpha y^{2}+\beta x y+\frac {b \left (a +\beta \right )}{\alpha }=0} \end {gather*}

Solution by Maple

Time used: 0.028 (sec). Leaf size: 563

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

\[ y \relax (x ) = -\frac {b \left (-\frac {\left (-\frac {-x a +\sqrt {-a b}}{2 \sqrt {-a b}}\right )^{\frac {a +\beta }{a}} \left (x a -\sqrt {-a b}\right ) \HeunC \left (0, \frac {-a -\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right )}{2}+\left (-\frac {-x a +\sqrt {-a b}}{2 \sqrt {-a b}}\right )^{\frac {a +\beta }{a}} \left (x a +\sqrt {-a b}\right ) \HeunCPrime \left (0, \frac {-a -\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right )+a \left (\left (x \sqrt {-a b}\, a +a^{2} x^{2}+\left (x^{2} \beta +2 b \right ) a +b \beta \right ) \HeunC \left (0, \frac {a +\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right )+2 a \HeunCPrime \left (0, \frac {a +\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right ) \left (-x \sqrt {-a b}+b \right )\right ) c_{1}\right )}{\alpha \left (\frac {\left (-\frac {-x a +\sqrt {-a b}}{2 \sqrt {-a b}}\right )^{\frac {a +\beta }{a}} \left (x \sqrt {-a b}+b \right ) \HeunC \left (0, \frac {-a -\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right )}{2}+\HeunC \left (0, \frac {a +\beta }{a}, \frac {2 a +\beta }{2 a}, 0, \frac {2 a^{2}+2 \beta a +\beta ^{2}}{4 a^{2}}, \frac {2 \sqrt {-a b}}{-x a +\sqrt {-a b}}\right ) c_{1} \left (a^{2} b x +\left (-a b \right )^{\frac {3}{2}}\right )\right )} \]

Solution by Mathematica

Time used: 1.054 (sec). Leaf size: 40

DSolve[(a*x^2+b)*y'[x]+\[Alpha]*y[x]^2+\[Beta]*x*y[x]+b/\[Alpha]*(a+\[Beta])==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to -\frac {x (a+\beta )}{\alpha } \\ y(x)\to -\frac {x (a+\beta )}{\alpha } \\ y(x)\to -\frac {x (a+\beta )}{\alpha } \\ \end{align*}