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