-2
-------------
__________
/ 2
\/ 1 - 4*t
$$- \frac{2}{\sqrt{- 4 t^{2} + 1}}$$
-8*t
-------------
3/2
/ 2\
\1 - 4*t /
$$- \frac{8 t}{\left(- 4 t^{2} + 1\right)^{\frac{3}{2}}}$$
/ 2 \
| 12*t |
-8*|1 + --------|
| 2|
\ 1 - 4*t /
-----------------
3/2
/ 2\
\1 - 4*t /
$$- \frac{\frac{96 t^{2}}{- 4 t^{2} + 1} + 8}{\left(- 4 t^{2} + 1\right)^{\frac{3}{2}}}$$