2
/d d \
2 2 |--(im(x))*im(x) + --(re(x))*re(x)| 2 2
/d \ /d \ \dx dx / d d
- |--(im(x))| - |--(re(x))| + ------------------------------------ - ---(im(x))*im(x) - ---(re(x))*re(x)
\dx / \dx / 2 2 2
|x| dx dx
----------------------------------------------------------------------------------------------------------
|x|
$$\frac{1}{\left|{x}\right|} \left(\frac{1}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} - \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} - \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} - \frac{d}{d x} \Re{x}^{2} - \frac{d}{d x} \Im{x}^{2}\right)$$
/ 2 2 2 2 \
3 /d d \ |/d \ /d \ d d |
/d d \ 3*|--(im(x))*im(x) + --(re(x))*re(x)|*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)|
3 3 3*|--(im(x))*im(x) + --(re(x))*re(x)| 2 2 \dx dx / |\dx / \dx / 2 2 |
d d \dx dx / d d d d \ dx dx /
- ---(im(x))*im(x) - ---(re(x))*re(x) - -------------------------------------- - 3*--(im(x))*---(im(x)) - 3*--(re(x))*---(re(x)) + ---------------------------------------------------------------------------------------------------------
3 3 4 dx 2 dx 2 2
dx dx |x| dx dx |x|
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|x|
$$\frac{1}{\left|{x}\right|} \left(- \frac{3}{\left|{x}\right|^{4}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{3} + \frac{3}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) - \Re{x} \frac{d^{3}}{d x^{3}} \Re{x} - \Im{x} \frac{d^{3}}{d x^{3}} \Im{x} - 3 \frac{d}{d x} \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} - 3 \frac{d}{d x} \Im{x} \frac{d^{2}}{d x^{2}} \Im{x}\right)$$