/ 6 3 \
| 2 3*x 6*x |
3*x*|----------- + ----------- - ------------------|
| ________ 3/2 / 6\ / 3\|
| / 6 / 6\ \-1 + x /*acos\x /|
\\/ 1 - x \1 - x / /
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2/ 3\
acos \x /
$$\frac{3 x}{\operatorname{acos}^{2}{\left (x^{3} \right )}} \left(\frac{3 x^{6}}{\left(- x^{6} + 1\right)^{\frac{3}{2}}} - \frac{6 x^{3}}{\left(x^{6} - 1\right) \operatorname{acos}{\left (x^{3} \right )}} + \frac{2}{\sqrt{- x^{6} + 1}}\right)$$
/ 6 12 3 6 9 \
| 2 27*x 27*x 36*x 54*x 54*x |
3*|----------- + ----------- + ----------- - ------------------ + --------------------- + -------------------|
| ________ 3/2 5/2 / 6\ / 3\ 3/2 2 |
| / 6 / 6\ / 6\ \-1 + x /*acos\x / / 6\ 2/ 3\ / 6\ / 3\|
\\/ 1 - x \1 - x / \1 - x / \1 - x / *acos \x / \-1 + x / *acos\x //
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2/ 3\
acos \x /
$$\frac{1}{\operatorname{acos}^{2}{\left (x^{3} \right )}} \left(\frac{81 x^{12}}{\left(- x^{6} + 1\right)^{\frac{5}{2}}} + \frac{162 x^{9}}{\left(x^{6} - 1\right)^{2} \operatorname{acos}{\left (x^{3} \right )}} + \frac{81 x^{6}}{\left(- x^{6} + 1\right)^{\frac{3}{2}}} + \frac{162 x^{6}}{\left(- x^{6} + 1\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left (x^{3} \right )}} - \frac{108 x^{3}}{\left(x^{6} - 1\right) \operatorname{acos}{\left (x^{3} \right )}} + \frac{6}{\sqrt{- x^{6} + 1}}\right)$$