1
7 + -----------
________
/ 2
\/ 1 - x
$$7 + \frac{1}{\sqrt{- x^{2} + 1}}$$
x
-----------
3/2
/ 2\
\1 - x /
$$\frac{x}{\left(- x^{2} + 1\right)^{\frac{3}{2}}}$$
2
3*x
1 + ------
2
1 - x
-----------
3/2
/ 2\
\1 - x /
$$\frac{\frac{3 x^{2}}{- x^{2} + 1} + 1}{\left(- x^{2} + 1\right)^{\frac{3}{2}}}$$