/ 2 \
/ 2\ | 9*x |
3*\-2 + x /*|-2 + ---------|
| 2|
/ 3*x \ \ -1 + 9*x /
- 4*x*|------------- + asin(3*x)| - 2*x*asin(3*x) + ----------------------------
| __________ | __________
| / 2 | / 2
\\/ 1 - 9*x / \/ 1 - 9*x
$$- 4 x \left(\frac{3 x}{\sqrt{1 - 9 x^{2}}} + \operatorname{asin}{\left(3 x \right)}\right) - 2 x \operatorname{asin}{\left(3 x \right)} + \frac{3 \left(x^{2} - 2\right) \left(\frac{9 x^{2}}{9 x^{2} - 1} - 2\right)}{\sqrt{1 - 9 x^{2}}}$$
/ / 2 \ / 2 \ \
| | 9*x | | 27*x | / 2\|
| 6*x*|-2 + ---------| 9*x*|-4 + ---------|*\-2 + x /|
| | 2| | 2| |
| 6*x \ -1 + 9*x / \ -1 + 9*x / |
3*|-2*asin(3*x) - ------------- + -------------------- + ------------------------------|
| __________ __________ 3/2 |
| / 2 / 2 / 2\ |
\ \/ 1 - 9*x \/ 1 - 9*x \1 - 9*x / /
$$3 \left(\frac{6 x \left(\frac{9 x^{2}}{9 x^{2} - 1} - 2\right)}{\sqrt{1 - 9 x^{2}}} - \frac{6 x}{\sqrt{1 - 9 x^{2}}} + \frac{9 x \left(x^{2} - 2\right) \left(\frac{27 x^{2}}{9 x^{2} - 1} - 4\right)}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} - 2 \operatorname{asin}{\left(3 x \right)}\right)$$