-2
-e
-----------
________
/ 2
\/ 1 - x
$$- \frac{1}{\sqrt{- x^{2} + 1} e^{2}}$$
-2
-x*e
-----------
3/2
/ 2\
\1 - x / $$- \frac{x}{\left(- x^{2} + 1\right)^{\frac{3}{2}} e^{2}}$$
/ 2 \
| 3*x | -2
-|1 + ------|*e
| 2|
\ 1 - x /
------------------
3/2
/ 2\
\1 - x / $$- \frac{\frac{3 x^{2}}{- x^{2} + 1} + 1}{\left(- x^{2} + 1\right)^{\frac{3}{2}} e^{2}}$$