x ----------- 3/2 / 2\ \1 - x /
x/(1 - x^2)^(3/2)
-x ------------------------------ ________ ________ / 2 2 / 2 - \/ 1 - x + x *\/ 1 - x
-x/(-sqrt(1 - x^2) + x^2*sqrt(1 - x^2))
x ---------------------- 3/2 (-(1 + x)*(-1 + x))
x/(-(1 + x)*(-1 + x))^(3/2)
________ / 2 x*\/ 1 - x ------------- 4 2 1 + x - 2*x
x*sqrt(1 - x^2)/(1 + x^4 - 2*x^2)