-1.0*x*(1.0 - x^2)^(-0.5)*(3.0 + x^2/(1.0 - x^2))
________ / 2 / 2\ x*\/ 1 - x *\-3 + 2*x / ------------------------- 4 2 1 + x - 2*x
/ 2 \ | x | -x*|3 + ------| | 2| \ 1 - x / ---------------- ________ / 2 \/ 1 - x
/ 3\ -\-3*x + 2*x / ------------------------------ ________ ________ / 2 2 / 2 - \/ 1 - x + x *\/ 1 - x