x 2 ----------- - ----------------- 3/2 / 2\ / 2\ \-1 + x /*acos(x) \1 - x / ------------------------------- 2 acos (x)
2 1 3*x 6 6*x ----------- + ----------- + -------------------- + ------------------ 3/2 5/2 3/2 2 / 2\ / 2\ / 2\ 2 / 2\ \1 - x / \1 - x / \1 - x / *acos (x) \-1 + x / *acos(x) --------------------------------------------------------------------- 2 acos (x)