-2*x
-------------
2
/ 2\
1 + \3 - x /
$$- \frac{2 x}{\left(3 - x^{2}\right)^{2} + 1}$$
/ 2 / 2\\
| 4*x *\-3 + x /|
2*|-1 + --------------|
| 2|
| / 2\ |
\ 1 + \-3 + x / /
-----------------------
2
/ 2\
1 + \-3 + x /
$$\frac{2 \cdot \left(\frac{4 x^{2} \left(x^{2} - 3\right)}{\left(x^{2} - 3\right)^{2} + 1} - 1\right)}{\left(x^{2} - 3\right)^{2} + 1}$$
/ 2\
| 2 / 2\ |
| 2 8*x *\-3 + x / |
8*x*|-9 + 5*x - ---------------|
| 2|
| / 2\ |
\ 1 + \-3 + x / /
---------------------------------
2
/ 2\
| / 2\ |
\1 + \-3 + x / /
$$\frac{8 x \left(- \frac{8 x^{2} \left(x^{2} - 3\right)^{2}}{\left(x^{2} - 3\right)^{2} + 1} + 5 x^{2} - 9\right)}{\left(\left(x^{2} - 3\right)^{2} + 1\right)^{2}}$$