2.521   ODE No. 521

\[ y'(x)^3+x y'(x)-y(x)=0 \] Mathematica : cpu = 0.0031373 (sec), leaf count = 14


\[\left \{\left \{y(x)\to c_1 x+c_1{}^3\right \}\right \}\] Maple : cpu = 0.049 (sec), leaf count = 33


\[y \relax (x ) = -\frac {2 \sqrt {-3 x}\, x}{9}\]