24.36 problem 36

Internal problem ID [10773]

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: 36.
ODE order: 1.
ODE degree: 1.

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

\[ \boxed {y y^{\prime }-\frac {a \left (5 x -4\right ) y}{x^{4}}=\frac {a^{2} \left (x -1\right ) \left (3 x -1\right )}{x^{7}}} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 167

dsolve(y(x)*diff(y(x),x)-a*(5*x-4)*x^(-4)*y(x)=a^2*(x-1)*(3*x-1)*x^(-7),y(x), singsol=all)
 

\[ c_{1} -\frac {9 \,2^{\frac {2}{3}} \sqrt {\frac {x^{3} y \left (x \right )+a x -a}{\left (y \left (x \right ) x^{2}+a \right ) x}}\, \left (x -\frac {3}{4}\right ) 5^{\frac {1}{6}}}{5 x {\left (-\frac {a}{\left (y \left (x \right ) x^{2}+a \right ) x}\right )}^{\frac {1}{3}} \left (\frac {3 x^{3} y \left (x \right )+3 a x -a}{\left (y \left (x \right ) x^{2}+a \right ) x}\right )^{\frac {1}{6}}}-729 \left (\int _{}^{\frac {\frac {9 x^{3} y \left (x \right )}{5}+\frac {9 a x}{5}-\frac {27 a}{20}}{\left (y \left (x \right ) x^{2}+a \right ) x}}\frac {\textit {\_a} \sqrt {20 \textit {\_a} -9}}{\left (5 \textit {\_a} -9\right )^{\frac {1}{3}} \left (9+4 \textit {\_a} \right )^{\frac {1}{6}} \left (400 \textit {\_a}^{3}-1701 \textit {\_a} +729\right )}d \textit {\_a} \right ) = 0 \]

Solution by Mathematica

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

DSolve[y[x]*y'[x]-a*(5*x-4)*x^(-4)*y[x]==a^2*(x-1)*(3*x-1)*x^(-7),y[x],x,IncludeSingularSolutions -> True]
 

Not solved