3
--------------
2
1 + (3*x + 2) $$\frac{3}{\left(3 x + 2\right)^{2} + 1}$$
-18*(2 + 3*x)
-----------------
2
/ 2\
\1 + (2 + 3*x) / $$- \frac{54 x + 36}{\left(\left(3 x + 2\right)^{2} + 1\right)^{2}}$$
/ 2 \
| 4*(2 + 3*x) |
54*|-1 + --------------|
| 2|
\ 1 + (2 + 3*x) /
------------------------
2
/ 2\
\1 + (2 + 3*x) / $$\frac{\frac{216 \left(3 x + 2\right)^{2}}{\left(3 x + 2\right)^{2} + 1} - 54}{\left(\left(3 x + 2\right)^{2} + 1\right)^{2}}$$