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