/ 2 \
| 15 1 5*sign (x) 2*sign(x) 2*DiracDelta(x)|
8*|15*x + -- - ----------- - ----------- - ----------- + ---------------|
| 7 3 2/3 8/3 2 5/3 5/3 |
\ x 3*x *|x| 27*x*|x| 9*x *|x| 9*x*|x| /
$$8 \left(15 x + \frac{2 \delta\left(x\right)}{9 x \left|{x}\right|^{\frac{5}{3}}} - \frac{5 \operatorname{sign}^{2}{\left(x \right)}}{27 x \left|{x}\right|^{\frac{8}{3}}} - \frac{2 \operatorname{sign}{\left(x \right)}}{9 x^{2} \left|{x}\right|^{\frac{5}{3}}} - \frac{1}{3 x^{3} \left|{x}\right|^{\frac{2}{3}}} + \frac{15}{x^{7}}\right)$$