1 acos(x) - ------------- - ------- ________ 2 / 2 x x*\/ 1 - x
1 2*acos(x) 2 - ----------- + --------- + -------------- 3/2 3 ________ / 2\ x 2 / 2 \1 - x / x *\/ 1 - x
2 3*x -1 + ------- 2 3 -1 + x 6*acos(x) 6 ----------- + ------------ - --------- - -------------- 3/2 3/2 3 ________ / 2\ / 2\ x 2 / 2 \1 - x / \1 - x / x *\/ 1 - x ------------------------------------------------------- x