acos(x) ------- + log(x) x
1 1 acos(x) - - ------------- - ------- x ________ 2 / 2 x x*\/ 1 - x
1 1 2*acos(x) 2 - -- - ----------- + --------- + -------------- 2 3/2 3 ________ x / 2\ x 2 / 2 \1 - x / x *\/ 1 - x
2 6*acos(x) 6 3*x 2 -- - --------- - -------------- - ----------- + ------------- 3 4 ________ 5/2 3/2 x x 3 / 2 / 2\ / 2\ x *\/ 1 - x \1 - x / x*\1 - x /