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