d d
--(im(x))*im(x) + --(re(x))*re(x)
dx dx
---------------------------------
3
|x|
$$\frac{1}{\left|{x}\right|^{3}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)$$
2
/d d \
2 2 2 2 3*|--(im(x))*im(x) + --(re(x))*re(x)|
/d \ /d \ d d \dx dx /
|--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x) - --------------------------------------
\dx / \dx / 2 2 2
dx dx |x|
----------------------------------------------------------------------------------------------------------
3
|x|
$$\frac{1}{\left|{x}\right|^{3}} \left(- \frac{3}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} + \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right)$$
/ 2 2 2 2 \
3 /d d \ |/d \ /d \ d d |
/d d \ 9*|--(im(x))*im(x) + --(re(x))*re(x)|*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)|
3 3 2 2 15*|--(im(x))*im(x) + --(re(x))*re(x)| \dx dx / |\dx / \dx / 2 2 |
d d d d d d \dx dx / \ dx dx /
---(im(x))*im(x) + ---(re(x))*re(x) + 3*--(im(x))*---(im(x)) + 3*--(re(x))*---(re(x)) + --------------------------------------- - ---------------------------------------------------------------------------------------------------------
3 3 dx 2 dx 2 4 2
dx dx dx dx |x| |x|
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
3
|x|
$$\frac{1}{\left|{x}\right|^{3}} \left(\frac{15}{\left|{x}\right|^{4}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{3} - \frac{9}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) + \Re{x} \frac{d^{3}}{d x^{3}} \Re{x} + \Im{x} \frac{d^{3}}{d x^{3}} \Im{x} + 3 \frac{d}{d x} \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + 3 \frac{d}{d x} \Im{x} \frac{d^{2}}{d x^{2}} \Im{x}\right)$$