-1
-----------------------
/ 1 \ 2
|1 + --------|*(x + 2)
| 2|
\ (x + 2) /
$$- \frac{1}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right) \left(x + 2\right)^{2}}$$
/ 1 \
2*|1 - -----------------------|
| / 1 \ 2|
| |1 + --------|*(2 + x) |
| | 2| |
\ \ (2 + x) / /
-------------------------------
/ 1 \ 3
|1 + --------|*(2 + x)
| 2|
\ (2 + x) /
$$\frac{2 \cdot \left(1 - \frac{1}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right) \left(x + 2\right)^{2}}\right)}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right) \left(x + 2\right)^{3}}$$
/ 4 7 \
2*|-3 - ------------------------ + -----------------------|
| 2 / 1 \ 2|
| / 1 \ 4 |1 + --------|*(2 + x) |
| |1 + --------| *(2 + x) | 2| |
| | 2| \ (2 + x) / |
\ \ (2 + x) / /
-----------------------------------------------------------
/ 1 \ 4
|1 + --------|*(2 + x)
| 2|
\ (2 + x) /
$$\frac{2 \left(-3 + \frac{7}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right) \left(x + 2\right)^{2}} - \frac{4}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right)^{2} \left(x + 2\right)^{4}}\right)}{\left(1 + \frac{1}{\left(x + 2\right)^{2}}\right) \left(x + 2\right)^{4}}$$