a
------------
_________
/ 2
\/ -1 + t
$$\frac{a}{\sqrt{t^{2} - 1}}$$
-a*t
------------
3/2
/ 2\
\-1 + t /
$$- \frac{a t}{\left(t^{2} - 1\right)^{\frac{3}{2}}}$$
/ 2 \
| 3*t |
a*|-1 + -------|
| 2|
\ -1 + t /
----------------
3/2
/ 2\
\-1 + t /
$$\frac{a \left(\frac{3 t^{2}}{t^{2} - 1} - 1\right)}{\left(t^{2} - 1\right)^{\frac{3}{2}}}$$