7.68 problem 1659 (book 6.68)

Internal problem ID [9237]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 6, non-linear second order
Problem number: 1659 (book 6.68).
ODE order: 2.
ODE degree: -1.

CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]

Solve \begin {gather*} \boxed {y^{\prime \prime }-f \left (y^{\prime }, a x +b y\right )=0} \end {gather*}

Solution by Maple

dsolve(diff(diff(y(x),x),x)-f(diff(y(x),x),a*x+b*y(x))=0,y(x), singsol=all)
 

\[ \text {No solution found} \]

Solution by Mathematica

Time used: 0.0 (sec). Leaf size: 0

DSolve[-f[y'[x], a*x + b*y[x]] + y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
 

Not solved