2*x
- -------- + acot(2*x)
2
1 + 4*x
$$- \frac{2 x}{4 x^{2} + 1} + \operatorname{acot}{\left (2 x \right )}$$
/ 2 \
| 4*x |
4*|-1 + --------|
| 2|
\ 1 + 4*x /
-----------------
2
1 + 4*x
$$\frac{\frac{16 x^{2}}{4 x^{2} + 1} - 4}{4 x^{2} + 1}$$
/ 2 \
| 4*x |
64*x*|1 - --------|
| 2|
\ 1 + 4*x /
-------------------
2
/ 2\
\1 + 4*x /
$$\frac{64 x}{\left(4 x^{2} + 1\right)^{2}} \left(- \frac{4 x^{2}}{4 x^{2} + 1} + 1\right)$$