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