1 1 1
------- - -- - ---
____ 2 |x|
/ 2 x
\/ x
$$- \frac{1}{\left|{x}\right|} + \frac{1}{\sqrt{x^{2}}} - \frac{1}{x^{2}}$$
1 2 sign(x)
- --- + -- + -------
|x| 2 x
x
--------------------
x
$$\frac{- \frac{1}{\left|{x}\right|} + \frac{\operatorname{sign}{\left(x \right)}}{x} + \frac{2}{x^{2}}}{x}$$
1 6 sign(x)
--- - -- + 2*DiracDelta(x) - -------
|x| 2 x
x
------------------------------------
2
x
$$\frac{2 \delta\left(x\right) + \frac{1}{\left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x} - \frac{6}{x^{2}}}{x^{2}}$$