The first derivative
[src]
2
-8*x*cos(x) + 4*x *sin(x)
$$4 x^{2} \sin{\left(x \right)} - 8 x \cos{\left(x \right)}$$
The second derivative
[src]
/ 2 \
4*\-2*cos(x) + x *cos(x) + 4*x*sin(x)/
$$4 \left(x^{2} \cos{\left(x \right)} + 4 x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right)$$
The third derivative
[src]
/ 2 \
4*\6*sin(x) - x *sin(x) + 6*x*cos(x)/
$$4 \left(- x^{2} \sin{\left(x \right)} + 6 x \cos{\left(x \right)} + 6 \sin{\left(x \right)}\right)$$