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