_______
/ 1 - x / 1 1 - x \
/ ----- *(1 + x)*|- --------- - ----------|
\/ 1 + x | 2*(1 + x) 2|
\ 2*(1 + x) /
----------------------------------------------
/ 1 - x\
(1 - x)*|1 + -----|
\ 1 + x/
$$\frac{\sqrt{\frac{1 - x}{x + 1}} \left(x + 1\right) \left(- \frac{1 - x}{2 \left(x + 1\right)^{2}} - \frac{1}{2 \left(x + 1\right)}\right)}{\left(1 - x\right) \left(\frac{1 - x}{x + 1} + 1\right)}$$
/ 2 \
| / -1 + x\ / -1 + x\ -1 + x |
____________ | |-1 + ------| 3*|-1 + ------| -1 + ------ |
/ -(-1 + x) | 1 \ 1 + x / \ 1 + x / 1 + x |
/ ---------- *|--------- + -------------- + --------------- + ------------------|
\/ 1 + x | 2 2 2 4*(1 + x)*(-1 + x)|
\(-1 + x) 8*(-1 + x) 4*(-1 + x) /
------------------------------------------------------------------------------------
-1 + x
$$\frac{\sqrt{- \frac{x - 1}{x + 1}} \left(\frac{\frac{x - 1}{x + 1} - 1}{4 \left(x - 1\right) \left(x + 1\right)} + \frac{\left(\frac{x - 1}{x + 1} - 1\right)^{2}}{8 \left(x - 1\right)^{2}} + \frac{3 \left(\frac{x - 1}{x + 1} - 1\right)}{4 \left(x - 1\right)^{2}} + \frac{1}{\left(x - 1\right)^{2}}\right)}{x - 1}$$