-1
-----------------------
/ 2\ 2
\1 + x /*(atan(x) - 3)
$$- \frac{1}{\left(x^{2} + 1\right) \left(\operatorname{atan}{\left(x \right)} - 3\right)^{2}}$$
/ 1 \
2*|x + ------------|
\ -3 + atan(x)/
-------------------------
2
/ 2\ 2
\1 + x / *(-3 + atan(x))
$$\frac{2 \left(x + \frac{1}{\operatorname{atan}{\left(x \right)} - 3}\right)}{\left(x^{2} + 1\right)^{2} \left(\operatorname{atan}{\left(x \right)} - 3\right)^{2}}$$
/ 2 \
| 3 4*x 6*x |
-2*|-1 + ------------------------ + ------ + -----------------------|
| / 2\ 2 2 / 2\ |
\ \1 + x /*(-3 + atan(x)) 1 + x \1 + x /*(-3 + atan(x))/
---------------------------------------------------------------------
2
/ 2\ 2
\1 + x / *(-3 + atan(x))
$$- \frac{2 \cdot \left(\frac{4 x^{2}}{x^{2} + 1} - 1 + \frac{6 x}{\left(x^{2} + 1\right) \left(\operatorname{atan}{\left(x \right)} - 3\right)} + \frac{3}{\left(x^{2} + 1\right) \left(\operatorname{atan}{\left(x \right)} - 3\right)^{2}}\right)}{\left(x^{2} + 1\right)^{2} \left(\operatorname{atan}{\left(x \right)} - 3\right)^{2}}$$