Internal problem ID [9244]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 6, non-linear second order
Problem number: 1666 (book 6.75).
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
Solve \begin {gather*} \boxed {x y^{\prime \prime }+2 y^{\prime }+x \,{\mathrm e}^{y}=0} \end {gather*}
✗ Solution by Maple
dsolve(x*diff(diff(y(x),x),x)+2*diff(y(x),x)+x*exp(y(x))=0,y(x), singsol=all)
\[ \text {No solution found} \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[Exp[y[x]]*x + 2*y'[x] + x*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
Not solved