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