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