Internal problem ID [11118]
Book: Handbook of exact solutions for ordinary differential equations. By Polyanin and Zaitsev.
Second edition
Section: Chapter 2, Second-Order Differential Equations. section 2.1.3-1. Equations with
exponential functions
Problem number: 30.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
\[ \boxed {y^{\prime \prime }+\left (a \,{\mathrm e}^{\lambda x}+{\mathrm e}^{\mu x} b \right ) y^{\prime }+a \,{\mathrm e}^{\lambda x} \left ({\mathrm e}^{\mu x} b +\lambda \right ) y=0} \]
✗ Solution by Maple
dsolve(diff(y(x),x$2)+(a*exp(lambda*x)+b*exp(mu*x))*diff(y(x),x)+a*exp(lambda*x)*(b*exp(mu*x)+lambda)*y(x)=0,y(x), singsol=all)
\[ \text {No solution found} \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[y''[x]+(a*Exp[\[Lambda]*x]+b*Exp[\[Mu]*x])*y'[x]+a*Exp[\[Lambda]*x]*(b*Exp[\[Mu]*x]+\[Lambda])*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
Not solved