/ / 3\ 3 2/ 3\ 3 / / 3\\\
|2*sign\2 + x / 3*x *sign \2 + x / 12*x *DiracDelta\2*\2 + x //|
3*x*|-------------- - ------------------ + ----------------------------|
| | 3| 2 | 3| |
| |2 + x | / 3\ |2 + x | |
\ \2 + x / /
$$3 x \left(\frac{12 x^{3} \delta\left(2 \left(x^{3} + 2\right)\right)}{\left|{x^{3} + 2}\right|} - \frac{3 x^{3} \operatorname{sign}^{2}{\left(x^{3} + 2 \right)}}{\left(x^{3} + 2\right)^{2}} + \frac{2 \operatorname{sign}{\left(x^{3} + 2 \right)}}{\left|{x^{3} + 2}\right|}\right)$$
/ / 3\ 3 2/ 3\ 6 2/ 3\ 3 / / 3\\ 6 / / 3\ \ 6 / / 3\\ / 3\\
|sign\2 + x / 9*x *sign \2 + x / 9*x *sign \2 + x / 36*x *DiracDelta\2*\2 + x // 36*x *DiracDelta\2*\2 + x /, 1/ 54*x *DiracDelta\2*\2 + x //*sign\2 + x /|
6*|------------ - ------------------ + ------------------ + ---------------------------- + ------------------------------- - -----------------------------------------|
| | 3| 2 3 | 3| | 3| 2 |
| |2 + x | / 3\ / 3\ |2 + x | |2 + x | / 3\ |
\ \2 + x / \2 + x / \2 + x / /
$$6 \left(\frac{36 x^{6} \delta^{\left( 1 \right)}\left( 2 \left(x^{3} + 2\right) \right)}{\left|{x^{3} + 2}\right|} - \frac{54 x^{6} \delta\left(2 \left(x^{3} + 2\right)\right) \operatorname{sign}{\left(x^{3} + 2 \right)}}{\left(x^{3} + 2\right)^{2}} + \frac{9 x^{6} \operatorname{sign}^{2}{\left(x^{3} + 2 \right)}}{\left(x^{3} + 2\right)^{3}} + \frac{36 x^{3} \delta\left(2 \left(x^{3} + 2\right)\right)}{\left|{x^{3} + 2}\right|} - \frac{9 x^{3} \operatorname{sign}^{2}{\left(x^{3} + 2 \right)}}{\left(x^{3} + 2\right)^{2}} + \frac{\operatorname{sign}{\left(x^{3} + 2 \right)}}{\left|{x^{3} + 2}\right|}\right)$$