d d
--(im(x))*im(x) + --(re(x))*re(x)
|x| dx dx
- --- + ---------------------------------
2 x*|x|
x
$$\frac{1}{x \left|{x}\right|} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) - \frac{\left|{x}\right|}{x^{2}}$$
2 2 2 2
/d \ /d \ d d 2
|--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x) /d d \ /d d \
\dx / \dx / 2 2 |--(im(x))*im(x) + --(re(x))*re(x)| 2*|--(im(x))*im(x) + --(re(x))*re(x)|
dx dx \dx dx / 2*|x| \dx dx /
----------------------------------------------------------------- - ------------------------------------ + ----- - -------------------------------------
|x| 3 2 x*|x|
|x| x
--------------------------------------------------------------------------------------------------------------------------------------------------------
x
$$\frac{1}{x} \left(- \frac{1}{\left|{x}\right|^{3}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} + \frac{1}{\left|{x}\right|} \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) - \frac{1}{x \left|{x}\right|} \left(2 \Re{x} \frac{d}{d x} \Re{x} + 2 \Im{x} \frac{d}{d x} \Im{x}\right) + \frac{2 \left|{x}\right|}{x^{2}}\right)$$
3 3 2 2 / 2 2 2 2 \ / 2 2 2 2 \
d d d d d d 3 |/d \ /d \ d d | /d d \ |/d \ /d \ d d | 2
---(im(x))*im(x) + ---(re(x))*re(x) + 3*--(im(x))*---(im(x)) + 3*--(re(x))*---(re(x)) /d d \ 3*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)| 3*|--(im(x))*im(x) + --(re(x))*re(x)|*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)| /d d \ /d d \
3 3 dx 2 dx 2 3*|--(im(x))*im(x) + --(re(x))*re(x)| |\dx / \dx / 2 2 | \dx dx / |\dx / \dx / 2 2 | 3*|--(im(x))*im(x) + --(re(x))*re(x)| 6*|--(im(x))*im(x) + --(re(x))*re(x)|
dx dx dx dx 6*|x| \dx dx / \ dx dx / \ dx dx / \dx dx / \dx dx /
------------------------------------------------------------------------------------- - ----- + -------------------------------------- - --------------------------------------------------------------------- - --------------------------------------------------------------------------------------------------------- + -------------------------------------- + -------------------------------------
|x| 3 5 x*|x| 3 3 2
x |x| |x| x*|x| x *|x|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
x
$$\frac{1}{x} \left(\frac{3}{\left|{x}\right|^{5}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{3} - \frac{3}{\left|{x}\right|^{3}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) + \frac{1}{\left|{x}\right|} \left(\Re{x} \frac{d^{3}}{d x^{3}} \Re{x} + \Im{x} \frac{d^{3}}{d x^{3}} \Im{x} + 3 \frac{d}{d x} \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + 3 \frac{d}{d x} \Im{x} \frac{d^{2}}{d x^{2}} \Im{x}\right) + \frac{3}{x \left|{x}\right|^{3}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} - \frac{1}{x \left|{x}\right|} \left(3 \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + 3 \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + 3 \frac{d}{d x} \Re{x}^{2} + 3 \frac{d}{d x} \Im{x}^{2}\right) + \frac{1}{x^{2} \left|{x}\right|} \left(6 \Re{x} \frac{d}{d x} \Re{x} + 6 \Im{x} \frac{d}{d x} \Im{x}\right) - \frac{6 \left|{x}\right|}{x^{3}}\right)$$