1
---------------
___
2*\/ x *(1 - x) 1 2
- + ------
x -1 + x
----------------
___
4*\/ x *(-1 + x) / 1 3 1 \
-|--------- + ---- + ------------|
| 2 2 2*x*(-1 + x)|
\(-1 + x) 8*x /
-----------------------------------
___
\/ x *(-1 + x)