\[ y(x)^2 (a y(x)+b x)+2 y(x) y''(x)-y'(x)^2=0 \] ✗ Mathematica : cpu = 1.5995 (sec), leaf count = 0 , could not solve
DSolve[y[x]^2*(b*x + a*y[x]) - Derivative[1][y][x]^2 + 2*y[x]*Derivative[2][y][x] == 0, y[x], x]
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(2*diff(diff(y(x),x),x)*y(x)-diff(y(x),x)^2+(a*y(x)+b*x)*y(x)^2=0,y(x))