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