(-1.0 + x^2)^(-1.5)*(-1.0 + 3.0*x^2/(-1.0 + x^2))
_________ / 2 / 2\ \/ -1 + x *\1 + 2*x / ----------------------- 6 4 2 -1 + x - 3*x + 3*x
2 1 + 2*x -------------------------------------------------- _________ _________ _________ / 2 4 / 2 2 / 2 \/ -1 + x + x *\/ -1 + x - 2*x *\/ -1 + x