2.654   ODE No. 654

\[ y'(x)=\frac {\sqrt {x^2+3 y(x)}-\frac {2 x^2}{3}-\frac {2 x}{3}}{x+1} \] Mathematica : cpu = 0.284733 (sec), leaf count = 37


\[\left \{\left \{y(x)\to \frac {1}{12} \left (-4 x^2+9 \log ^2(x+1)-18 c_1 \log (x+1)+9 c_1{}^2\right )\right \}\right \}\] Maple : cpu = 0.396 (sec), leaf count = 23


\[c_{1}+\frac {3 \ln \left (1+x \right )}{2}-\sqrt {x^{2}+3 y \relax (x )} = 0\]