/ 2 \ | 4*x | 2*x*|-3 + -------| | 2| \ -4 + x / ------------------ 2 / 2\ \-4 + x /
2.0*x*(-3.0 + 4.0*x^2/(-4.0 + x^2))/(-4.0 + x^2)^2
/ 2\ 2*x*\12 + x / ------------- 3 / 2\ \-4 + x /
/ 2\ 2*x*\12 + x / ------------- 3 / 2\ \-4 + x /
/ 2\ 2*x*\12 + x / ------------- 3 / 2\ \-4 + x /
/ 2\ 2*x*\12 + x / ------------------ 3 3 (-2 + x) *(2 + x)
3 2*x + 24*x ------------------------ 6 4 2 -64 + x - 12*x + 48*x