Internal problem ID [10061]
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: 67.
ODE order: 1.
ODE degree: 1.
CAS Maple gives this as type [[_Abel, 2nd type, class A]]
Solve \begin {gather*} \boxed {y^{\prime } y-\left (a \,{\mathrm e}^{x}+b \right ) y-c \,{\mathrm e}^{2 x}+a b \,{\mathrm e}^{x}+b^{2}=0} \end {gather*}
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 154
dsolve(y(x)*diff(y(x),x)=(a*exp(x)+b)*y(x)+c*exp(2*x)-a*b*exp(x)-b^2,y(x), singsol=all)
\[ c_{1}+\sqrt {\frac {c \,{\mathrm e}^{2 x}-\left (b -y \relax (x )\right ) \left (a \,{\mathrm e}^{x}+b -y \relax (x )\right )}{\left (b -y \relax (x )\right )^{2}}}\, y \relax (x ) {\mathrm e}^{-\frac {a \arctanh \left (\frac {-2 c \,{\mathrm e}^{x}+a \left (b -y \relax (x )\right )}{\sqrt {a^{2}+4 c}\, \left (b -y \relax (x )\right )}\right )}{\sqrt {a^{2}+4 c}}}-b \left (\int _{}^{-\frac {{\mathrm e}^{x}}{b -y \relax (x )}}\frac {\sqrt {\textit {\_a}^{2} c +a \textit {\_a} -1}\, {\mathrm e}^{-\frac {a \arctanh \left (\frac {2 c \textit {\_a} +a}{\sqrt {a^{2}+4 c}}\right )}{\sqrt {a^{2}+4 c}}}}{\textit {\_a}}d \textit {\_a} \right ) = 0 \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[y[x]*y'[x]==(a*Exp[x]+b)*y[x]+c*Exp[2*x]-a*b*Exp[x]-b^2,y[x],x,IncludeSingularSolutions -> True]
Not solved