24.52 problem 52

Internal problem ID [10789]

Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev. Second edition
Section: Chapter 1, section 1.3. Abel Equations of the Second Kind. subsection 1.3.3-2. Equations of the form \(y y'=f_1(x) y+f_0(x)\)
Problem number: 52.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_rational, [_Abel, `2nd type`, `class B`]]

\[ \boxed {y y^{\prime }-\frac {a \left (2 x -1\right ) y}{x^{\frac {5}{2}}}=\frac {a^{2} \left (x -1\right ) \left (3 x +1\right )}{2 x^{4}}} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 189

dsolve(y(x)*diff(y(x),x)-a*(2*x-1)*x^(-5/2)*y(x)=1/2*a^2*(x-1)*(3*x+1)*x^(-4),y(x), singsol=all)
 

\[ \frac {\frac {18 \sqrt {\frac {\left (-1+x \right ) a +y \left (x \right ) x^{\frac {3}{2}}}{x \left (y \left (x \right ) \sqrt {x}+a \right )}}\, \sqrt {5}\, 7^{\frac {5}{6}} \left (x +\frac {3}{2}\right ) \left (\frac {\left (-3 x -1\right ) a -3 y \left (x \right ) x^{\frac {3}{2}}}{x \left (y \left (x \right ) \sqrt {x}+a \right )}\right )^{\frac {1}{6}}}{1225}+1458 \left (\int _{}^{\frac {-\frac {18 y \left (x \right ) x^{\frac {3}{2}}}{35}+\frac {9 \left (-2 x -3\right ) a}{35}}{x \left (y \left (x \right ) \sqrt {x}+a \right )}}\frac {\textit {\_a} \left (5 \textit {\_a} -9\right )^{\frac {1}{6}} \sqrt {7 \textit {\_a} +9}}{\left (35 \textit {\_a} +18\right )^{\frac {2}{3}} \left (1225 \textit {\_a}^{3}-3159 \textit {\_a} -1458\right )}d \textit {\_a} +\frac {c_{1}}{1458}\right ) x \left (-\frac {a}{x \left (y \left (x \right ) \sqrt {x}+a \right )}\right )^{\frac {2}{3}}}{x \left (-\frac {a}{x \left (y \left (x \right ) \sqrt {x}+a \right )}\right )^{\frac {2}{3}}} = 0 \]

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

DSolve[y[x]*y'[x]-a*(2*x-1)*x^(-5/2)*y[x]==1/2*a^2*(x-1)*(3*x+1)*x^(-4),y[x],x,IncludeSingularSolutions -> True]
 

Not solved