\[ \left (x^2+1\right ) y''(x)+4 x y'(x)+2 y(x)+2 x-2 \cos (x)=0 \] ✓ Mathematica : cpu = 0.0284726 (sec), leaf count = 48
\[\left \{\left \{y(x)\to \frac {c_1}{x^2+1}+\frac {c_2 x}{x^2+1}+\frac {-x^3-6 \cos (x)}{3 \left (x^2+1\right )}\right \}\right \}\] ✓ Maple : cpu = 0.016 (sec), leaf count = 31
\[y \relax (x ) = \frac {-x^{3}+3 c_{1} x -6 \cos \relax (x )+3 c_{2}}{3 x^{2}+3}\]