-2
-----------------------
/ 4 \ 2
|1 + --------|*(x - 3)
| 2|
\ (x - 3) /
$$- \frac{2}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{2}}$$
/ 4 \
4*|1 - -------------------------|
| / 4 \ 2|
| |1 + ---------|*(-3 + x) |
| | 2| |
\ \ (-3 + x) / /
---------------------------------
/ 4 \ 3
|1 + ---------|*(-3 + x)
| 2|
\ (-3 + x) /
$$\frac{4 \cdot \left(1 - \frac{4}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{2}}\right)}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{3}}$$
/ 64 28 \
4*|-3 - -------------------------- + -------------------------|
| 2 / 4 \ 2|
| / 4 \ 4 |1 + ---------|*(-3 + x) |
| |1 + ---------| *(-3 + x) | 2| |
| | 2| \ (-3 + x) / |
\ \ (-3 + x) / /
---------------------------------------------------------------
/ 4 \ 4
|1 + ---------|*(-3 + x)
| 2|
\ (-3 + x) /
$$\frac{4 \left(-3 + \frac{28}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{2}} - \frac{64}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right)^{2} \left(x - 3\right)^{4}}\right)}{\left(1 + \frac{4}{\left(x - 3\right)^{2}}\right) \left(x - 3\right)^{4}}$$