___ 2 x*asin(x) + \/ 1 + x
x 2*x + ----------- + asin(x) ________ / 2 \/ 1 - x
2 2 x 2 + ----------- + ----------- ________ 3/2 / 2 / 2\ \/ 1 - x \1 - x /
/ 2 \ | 3*x | x*|4 + ------| | 2| \ 1 - x / -------------- 3/2 / 2\ \1 - x /