-3
--------------
2
1 + (4 - 3*x) $$- \frac{3}{\left(- 3 x + 4\right)^{2} + 1}$$
18*(-4 + 3*x)
-----------------
2
/ 2\
\1 + (4 - 3*x) / $$\frac{54 x - 72}{\left(\left(- 3 x + 4\right)^{2} + 1\right)^{2}}$$
/ 2 \
| 4*(-4 + 3*x) |
54*|1 - --------------|
| 2|
\ 1 + (4 - 3*x) /
-----------------------
2
/ 2\
\1 + (4 - 3*x) / $$\frac{- \frac{216 \left(3 x - 4\right)^{2}}{\left(- 3 x + 4\right)^{2} + 1} + 54}{\left(\left(- 3 x + 4\right)^{2} + 1\right)^{2}}$$