-4
-------------
__________
/ 2
\/ 1 - 4*x
$$- \frac{4}{\sqrt{- 4 x^{2} + 1}}$$
-16*x
-------------
3/2
/ 2\
\1 - 4*x /
$$- \frac{16 x}{\left(- 4 x^{2} + 1\right)^{\frac{3}{2}}}$$
/ 2 \
| 12*x |
-16*|1 + --------|
| 2|
\ 1 - 4*x /
------------------
3/2
/ 2\
\1 - 4*x /
$$- \frac{\frac{192 x^{2}}{- 4 x^{2} + 1} + 16}{\left(- 4 x^{2} + 1\right)^{\frac{3}{2}}}$$