2*(x + 5)
--------- + atan(2*x)
2
1 + 4*x
$$\frac{2 \left(x + 5\right)}{4 x^{2} + 1} + \operatorname{atan}{\left(2 x \right)}$$
/ 4*x*(5 + x)\
4*|1 - -----------|
| 2 |
\ 1 + 4*x /
-------------------
2
1 + 4*x
$$\frac{4 \left(- \frac{4 x \left(x + 5\right)}{4 x^{2} + 1} + 1\right)}{4 x^{2} + 1}$$
/ / 2 \ \
| | 16*x | |
16*|-3*x + |-1 + --------|*(5 + x)|
| | 2| |
\ \ 1 + 4*x / /
-----------------------------------
2
/ 2\
\1 + 4*x /
$$\frac{16 \left(- 3 x + \left(x + 5\right) \left(\frac{16 x^{2}}{4 x^{2} + 1} - 1\right)\right)}{\left(4 x^{2} + 1\right)^{2}}$$