Internal problem ID [10050]
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: 56.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [_rational, [_Abel, 2nd type, class B]]
Solve \begin {gather*} \boxed {y^{\prime } y-\frac {a \left (\left (k +1\right ) x -1\right ) y}{x^{2}}-\frac {a^{2} \left (k +1\right ) \left (x -1\right )}{x^{2}}=0} \end {gather*}
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 141
dsolve(y(x)*diff(y(x),x)-a*((k+1)*x-1)*x^(-2)*y(x)=a^2*(k+1)*(x-1)*x^(-2),y(x), singsol=all)
\[ c_{1}+\frac {\left (y \relax (x ) x -a \right ) \left (\int _{}^{\frac {a x}{-y \relax (x ) x +a}}\left (\textit {\_a} -1\right )^{\frac {1}{k +1}} {\mathrm e}^{\frac {1}{\left (k +1\right ) \textit {\_a}}} \textit {\_a}^{-\frac {1}{k +1}}d \textit {\_a} \right )+\left (\frac {a x}{-y \relax (x ) x +a}\right )^{-\frac {1}{k +1}} x^{2} \left (\frac {\left (x -1\right ) a +y \relax (x ) x}{-y \relax (x ) x +a}\right )^{\frac {1}{k +1}} {\mathrm e}^{\frac {-y \relax (x ) x +a}{a \left (k +1\right ) x}} y \relax (x )}{-y \relax (x ) x +a} = 0 \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[y[x]*y'[x]-a*((k+1)*x-1)*x^(-2)*y[x]==a^2*(k+1)*(x-1)*x^(-2),y[x],x,IncludeSingularSolutions -> True]
Not solved