4.42.29 \(y'(x) f\left (\frac {y''(x)}{y'(x)}\right )=y'(x)^2-y(x) y''(x)\)

ODE
\[ y'(x) f\left (\frac {y''(x)}{y'(x)}\right )=y'(x)^2-y(x) y''(x) \] ODE Classification

[[_2nd_order, _missing_x]]

Book solution method
TO DO

Mathematica
cpu = 0.160676 (sec), leaf count = 0 , could not solve

DSolve[f[Derivative[2][y][x]/Derivative[1][y][x]]*Derivative[1][y][x] == Derivative[1][y][x]^2 - y[x]*Derivative[2][y][x], y[x], x]

Maple
cpu = 2.505 (sec), leaf count = 13

\[[y \left (x \right ) = {\mathrm e}^{\textit {\_C2} \textit {\_C1}} {\mathrm e}^{\textit {\_C1} x}]\] Mathematica raw input

DSolve[f[y''[x]/y'[x]]*y'[x] == y'[x]^2 - y[x]*y''[x],y[x],x]

Mathematica raw output

DSolve[f[Derivative[2][y][x]/Derivative[1][y][x]]*Derivative[1][y][x] == Derivat
ive[1][y][x]^2 - y[x]*Derivative[2][y][x], y[x], x]

Maple raw input

dsolve(diff(y(x),x)*f(diff(diff(y(x),x),x)/diff(y(x),x)) = diff(y(x),x)^2-y(x)*diff(diff(y(x),x),x), y(x))

Maple raw output

[y(x) = exp(_C2*_C1)*exp(_C1*x)]