7
6 /1 \ 2*(x + 2)
7*(x + 2) *acos|--| + ----------------
| 2| ________
\x / 3 / 1
x * / 1 - --
/ 4
\/ x
$$7 \left(x + 2\right)^{6} \operatorname{acos}{\left(\frac{1}{x^{2}} \right)} + \frac{2 \left(x + 2\right)^{7}}{x^{3} \sqrt{1 - \frac{1}{x^{4}}}}$$
/ 2 / 2 \\
| (2 + x) *|3 + -----------||
| | 4 / 1 \||
| | x *|1 - --|||
| | | 4|||
5 | /1 \ 14*(2 + x) \ \ x //|
2*(2 + x) *|21*acos|--| + ---------------- - --------------------------|
| | 2| ________ ________ |
| \x / 3 / 1 4 / 1 |
| x * / 1 - -- x * / 1 - -- |
| / 4 / 4 |
\ \/ x \/ x /
$$2 \left(x + 2\right)^{5} \left(21 \operatorname{acos}{\left(\frac{1}{x^{2}} \right)} + \frac{14 \left(x + 2\right)}{x^{3} \sqrt{1 - \frac{1}{x^{4}}}} - \frac{\left(3 + \frac{2}{x^{4} \left(1 - \frac{1}{x^{4}}\right)}\right) \left(x + 2\right)^{2}}{x^{4} \sqrt{1 - \frac{1}{x^{4}}}}\right)$$
/ 3 / 6 11 \\
| 2 / 2 \ 2*(2 + x) *|6 + ------------ + -----------||
| 21*(2 + x) *|3 + -----------| | 2 4 / 1 \||
| | 4 / 1 \| | 8 / 1 \ x *|1 - --|||
| | x *|1 - --|| | x *|1 - --| | 4|||
| | | 4|| | | 4| \ x /||
4 | /1 \ 126*(2 + x) \ \ x // \ \ x / /|
2*(2 + x) *|105*acos|--| + ---------------- - ----------------------------- + -------------------------------------------|
| | 2| ________ ________ ________ |
| \x / 3 / 1 4 / 1 5 / 1 |
| x * / 1 - -- x * / 1 - -- x * / 1 - -- |
| / 4 / 4 / 4 |
\ \/ x \/ x \/ x /
$$2 \left(x + 2\right)^{4} \left(105 \operatorname{acos}{\left(\frac{1}{x^{2}} \right)} + \frac{126 \left(x + 2\right)}{x^{3} \sqrt{1 - \frac{1}{x^{4}}}} - \frac{21 \left(3 + \frac{2}{x^{4} \left(1 - \frac{1}{x^{4}}\right)}\right) \left(x + 2\right)^{2}}{x^{4} \sqrt{1 - \frac{1}{x^{4}}}} + \frac{2 \left(x + 2\right)^{3} \left(6 + \frac{11}{x^{4} \left(1 - \frac{1}{x^{4}}\right)} + \frac{6}{x^{8} \left(1 - \frac{1}{x^{4}}\right)^{2}}\right)}{x^{5} \sqrt{1 - \frac{1}{x^{4}}}}\right)$$