Internal problem ID [9283]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 6, non-linear second order
Problem number: 1704 (book 6.114).
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [NONE]
Solve \begin {gather*} \boxed {y^{\prime \prime } y-\left (y^{\prime }\right )^{2}-y^{\prime }+f \relax (x ) y^{3}+y^{2} \left (\frac {f^{\prime \prime }\relax (x )}{f \relax (x )}-\frac {f^{\prime }\relax (x )^{2}}{f \relax (x )^{2}}\right )=0} \end {gather*}
✗ Solution by Maple
dsolve(diff(diff(y(x),x),x)*y(x)-diff(y(x),x)^2-diff(y(x),x)+f(x)*y(x)^3+y(x)^2*(diff(diff(f(x),x),x)/f(x)-diff(f(x),x)^2/f(x)^2)=0,y(x), singsol=all)
\[ \text {No solution found} \]
✗ Solution by Mathematica
Time used: 0.0 (sec). Leaf size: 0
DSolve[f[x]*y[x]^3 - y'[x] - y'[x]^2 + y[x]^2*(-(Derivative[1][f][x]^2/f[x]^2) + Derivative[2][f][x]/f[x]) + y[x]*y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
Not solved