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