2.1599   ODE No. 1599

\[ a y(x)^3+b x y(x)+c y(x)+d+y''(x)=0 \] Mathematica : cpu = 20.4552 (sec), leaf count = 0

DSolve[d + c*y[x] + b*x*y[x] + a*y[x]^3 + Derivative[2][y][x] == 0,y[x],x]
 

, could not solve

DSolve[d + c*y[x] + b*x*y[x] + a*y[x]^3 + Derivative[2][y][x] == 0, y[x], x]

Maple : cpu = 0. (sec), leaf count = 0

dsolve(diff(diff(y(x),x),x)+d+b*x*y(x)+y(x)*c+a*y(x)^3=0,y(x))
 

, could not solve

dsolve(diff(diff(y(x),x),x)+d+b*x*y(x)+y(x)*c+a*y(x)^3=0,y(x))