-2
-----------------
__________
/ 2
/ 4*x
3* / 1 - ----
\/ 9
$$- \frac{2}{3 \sqrt{- \frac{4 x^{2}}{9} + 1}}$$
-8*x
----------------
3/2
/ 2\
| 4*x |
27*|1 - ----|
\ 9 /
$$- \frac{8 x}{27 \left(- \frac{4 x^{2}}{9} + 1\right)^{\frac{3}{2}}}$$
/ 2 \
| 4*x |
-8*|3 + --------|
| 2|
| 4*x |
| 1 - ----|
\ 9 /
-----------------
3/2
/ 2\
| 4*x |
81*|1 - ----|
\ 9 /
$$- \frac{\frac{32 x^{2}}{- \frac{4 x^{2}}{9} + 1} + 24}{81 \left(- \frac{4 x^{2}}{9} + 1\right)^{\frac{3}{2}}}$$