-1 + x 2 2*acos(-1 + x)
- ------------------ + -------------------- + --------------
3/2 _______________ 2
/ 2\ / 2 x
\1 - (-1 + x) / x*\/ 1 - (-1 + x)
------------------------------------------------------------
x
$$\frac{1}{x} \left(- \frac{x - 1}{\left(- \left(x - 1\right)^{2} + 1\right)^{\frac{3}{2}}} + \frac{2}{x \sqrt{- \left(x - 1\right)^{2} + 1}} + \frac{2}{x^{2}} \operatorname{acos}{\left (x - 1 \right )}\right)$$
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
$$\frac{1}{x} \left(- \frac{3 \left(x - 1\right)^{2}}{\left(- \left(x - 1\right)^{2} + 1\right)^{\frac{5}{2}}} - \frac{1}{\left(- \left(x - 1\right)^{2} + 1\right)^{\frac{3}{2}}} + \frac{3 x - 3}{x \left(- \left(x - 1\right)^{2} + 1\right)^{\frac{3}{2}}} - \frac{6}{x^{2} \sqrt{- \left(x - 1\right)^{2} + 1}} - \frac{6}{x^{3}} \operatorname{acos}{\left (x - 1 \right )}\right)$$