4.12.24 x2(1y(x))y(x)+(1x)y(x)=0

ODE
x2(1y(x))y(x)+(1x)y(x)=0 ODE Classification

[_separable]

Book solution method
Separable ODE, Neither variable missing

Mathematica
cpu = 0.0167342 (sec), leaf count = 21

{{y(x)W(x(e1xc1))}}

Maple
cpu = 0.008 (sec), leaf count = 17

{x1+ln(x)+y(x)ln(y(x))+_C1=0} Mathematica raw input

DSolve[(1 - x)*y[x] + x^2*(1 - y[x])*y'[x] == 0,y[x],x]

Mathematica raw output

{{y[x] -> -ProductLog[-(E^(x^(-1) - C[1])*x)]}}

Maple raw input

dsolve(x^2*(1-y(x))*diff(y(x),x)+(1-x)*y(x) = 0, y(x),'implicit')

Maple raw output

1/x+ln(x)+y(x)-ln(y(x))+_C1 = 0