/ 2 2 \
| 2 1 16*x *acot (2*x) 12*x*acot(2*x)|
48*|acot (2*x) - -------- - ---------------- - --------------|
| 2 2 2 |
\ 1 + 4*x 1 + 4*x 1 + 4*x /
--------------------------------------------------------------
2
/ 2\
\1 + 4*x /
$$\frac{1}{\left(4 x^{2} + 1\right)^{2}} \left(- \frac{768 x^{2} \operatorname{acot}^{2}{\left (2 x \right )}}{4 x^{2} + 1} - \frac{576 x \operatorname{acot}{\left (2 x \right )}}{4 x^{2} + 1} + 48 \operatorname{acot}^{2}{\left (2 x \right )} - \frac{48}{4 x^{2} + 1}\right)$$