x
------------ + atan(x + 2)
2
1 + (x + 2)
$$\frac{x}{\left(x + 2\right)^{2} + 1} + \operatorname{atan}{\left (x + 2 \right )}$$
/ x*(2 + x) \
2*|1 - ------------|
| 2|
\ 1 + (2 + x) /
--------------------
2
1 + (2 + x)
$$\frac{1}{\left(x + 2\right)^{2} + 1} \left(- \frac{2 x \left(x + 2\right)}{\left(x + 2\right)^{2} + 1} + 2\right)$$
/ 2\
| 4*x*(2 + x) |
2*|-6 - 4*x + ------------|
| 2|
\ 1 + (2 + x) /
---------------------------
2
/ 2\
\1 + (2 + x) /
$$\frac{1}{\left(\left(x + 2\right)^{2} + 1\right)^{2}} \left(\frac{8 x \left(x + 2\right)^{2}}{\left(x + 2\right)^{2} + 1} - 8 x - 12\right)$$