2
3*(x*sign(x) + |x|)*cos(x) x *|x|*cos(x)
-------------------------- - 3*x*|x|*sin(x) - -------------
2 2
$$- \frac{x^{2} \cos{\left(x \right)} \left|{x}\right|}{2} - 3 x \sin{\left(x \right)} \left|{x}\right| + \frac{3 \left(x \operatorname{sign}{\left(x \right)} + \left|{x}\right|\right) \cos{\left(x \right)}}{2}$$
/ / 2 \ \
|2*|x| + x*sign(x) 2*\x *DiracDelta(x) + 2*x*sign(x) + |x|/ | 2
-9*(x*sign(x) + |x|)*sin(x) - 3*|----------------- - ---------------------------------------- + sign(x)|*cos(x) + x *|x|*sin(x) - 9*x*|x|*cos(x)
\ x x /
------------------------------------------------------------------------------------------------------------------------------------------------
2
$$\frac{x^{2} \sin{\left(x \right)} \left|{x}\right| - 9 x \cos{\left(x \right)} \left|{x}\right| - 9 \left(x \operatorname{sign}{\left(x \right)} + \left|{x}\right|\right) \sin{\left(x \right)} - 3 \left(\operatorname{sign}{\left(x \right)} + \frac{x \operatorname{sign}{\left(x \right)} + 2 \left|{x}\right|}{x} - \frac{2 \left(x^{2} \delta\left(x\right) + 2 x \operatorname{sign}{\left(x \right)} + \left|{x}\right|\right)}{x}\right) \cos{\left(x \right)}}{2}$$