The first derivative
[src]
1 1
----- - -------
___ ___
\/ y 2*\/ y
---------------
_______
\/ 1 - y
$$\frac{- \frac{1}{2 \sqrt{y}} + \frac{1}{\sqrt{y}}}{\sqrt{1 - y}}$$
The second derivative
[src]
1 1
----- - -
1 - y y
-----------------
___ _______
4*\/ y *\/ 1 - y
$$\frac{\frac{1}{1 - y} - \frac{1}{y}}{4 \sqrt{y} \sqrt{1 - y}}$$
The third derivative
[src]
3 3 2
-- + -------- - ---------
2 2 y*(1 - y)
y (1 - y)
-------------------------
___ _______
8*\/ y *\/ 1 - y
$$\frac{\frac{3}{\left(1 - y\right)^{2}} - \frac{2}{y \left(1 - y\right)} + \frac{3}{y^{2}}}{8 \sqrt{y} \sqrt{1 - y}}$$