3 7
6 / 4\ 324*x *(x + 2)
7*(x + 2) *acos\(3*x) / - ----------------
_____________
/ 8
\/ 1 - 6561*x
$$- \frac{324 x^{3} \left(x + 2\right)^{7}}{\sqrt{1 - 6561 x^{8}}} + 7 \left(x + 2\right)^{6} \operatorname{acos}{\left(\left(3 x\right)^{4} \right)}$$
/ / 8 \\
| 2 2 | 8748*x ||
| 162*x *(2 + x) *|-1 + ------------||
| 3 | 8||
5 | / 4\ 756*x *(2 + x) \ -1 + 6561*x /|
6*(2 + x) *|7*acos\(3*x) / - ---------------- + -----------------------------------|
| _____________ _____________ |
| / 8 / 8 |
\ \/ 1 - 6561*x \/ 1 - 6561*x /
$$6 \left(x + 2\right)^{5} \left(- \frac{756 x^{3} \left(x + 2\right)}{\sqrt{1 - 6561 x^{8}}} + \frac{162 x^{2} \left(x + 2\right)^{2} \left(\frac{8748 x^{8}}{6561 x^{8} - 1} - 1\right)}{\sqrt{1 - 6561 x^{8}}} + 7 \operatorname{acos}{\left(\left(3 x\right)^{4} \right)}\right)$$
/ / 8 16 \ \
| 3 | 56862*x 344373768*x | / 8 \|
| 324*x*(2 + x) *|1 - ------------ + ---------------| 2 2 | 8748*x ||
| | 8 2| 3402*x *(2 + x) *|-1 + ------------||
| 3 | -1 + 6561*x / 8\ | | 8||
4 | / 4\ 6804*x *(2 + x) \ \-1 + 6561*x / / \ -1 + 6561*x /|
6*(2 + x) *|35*acos\(3*x) / - ---------------- - --------------------------------------------------- + ------------------------------------|
| _____________ _____________ _____________ |
| / 8 / 8 / 8 |
\ \/ 1 - 6561*x \/ 1 - 6561*x \/ 1 - 6561*x /
$$6 \left(x + 2\right)^{4} \left(- \frac{6804 x^{3} \left(x + 2\right)}{\sqrt{1 - 6561 x^{8}}} + \frac{3402 x^{2} \left(x + 2\right)^{2} \left(\frac{8748 x^{8}}{6561 x^{8} - 1} - 1\right)}{\sqrt{1 - 6561 x^{8}}} - \frac{324 x \left(x + 2\right)^{3} \left(\frac{344373768 x^{16}}{\left(6561 x^{8} - 1\right)^{2}} - \frac{56862 x^{8}}{6561 x^{8} - 1} + 1\right)}{\sqrt{1 - 6561 x^{8}}} + 35 \operatorname{acos}{\left(\left(3 x\right)^{4} \right)}\right)$$