/ 2 2 2 \
| 6 acos (2*x) 12*x *acos (2*x) 18*x*acos(2*x)|
32*|- ------------- - ------------- - ---------------- + --------------|*acos(2*x)
| 3/2 3/2 5/2 2 |
| / 2\ / 2\ / 2\ / 2\ |
\ \1 - 4*x / \1 - 4*x / \1 - 4*x / \-1 + 4*x / /
$$32 \left(- \frac{12 x^{2} \operatorname{acos}^{2}{\left(2 x \right)}}{\left(1 - 4 x^{2}\right)^{\frac{5}{2}}} + \frac{18 x \operatorname{acos}{\left(2 x \right)}}{\left(4 x^{2} - 1\right)^{2}} - \frac{\operatorname{acos}^{2}{\left(2 x \right)}}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}} - \frac{6}{\left(1 - 4 x^{2}\right)^{\frac{3}{2}}}\right) \operatorname{acos}{\left(2 x \right)}$$