2
-3*x
-----------
________
/ 6
\/ 1 - x
$$- \frac{3 x^{2}}{\sqrt{- x^{6} + 1}}$$
/ 6 \
| 3*x |
-3*x*|2 + ------|
| 6|
\ 1 - x /
-----------------
________
/ 6
\/ 1 - x
$$- \frac{3 x}{\sqrt{- x^{6} + 1}} \left(\frac{3 x^{6}}{- x^{6} + 1} + 2\right)$$
/ 6 12 \
| 27*x 27*x |
-3*|2 + ------ + ---------|
| 6 2|
| 1 - x / 6\ |
\ \1 - x / /
---------------------------
________
/ 6
\/ 1 - x
$$- \frac{1}{\sqrt{- x^{6} + 1}} \left(\frac{81 x^{12}}{\left(- x^{6} + 1\right)^{2}} + \frac{81 x^{6}}{- x^{6} + 1} + 6\right)$$