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