/ 1 \
-|2 + -----------------------|
| / 1 \ 2|
| |1 - --------|*(3 + x) |
| | 2| |
\ \ (3 + x) / /
-------------------------------
______________
/ 1 3
/ 1 - -------- *(3 + x)
/ 2
\/ (3 + x)
$$- \frac{2 + \frac{1}{\left(1 - \frac{1}{\left(x + 3\right)^{2}}\right) \left(x + 3\right)^{2}}}{\sqrt{1 - \frac{1}{\left(x + 3\right)^{2}}} \left(x + 3\right)^{3}}$$
3 7
6 + ------------------------ + -----------------------
2 / 1 \ 2
/ 1 \ 4 |1 - --------|*(3 + x)
|1 - --------| *(3 + x) | 2|
| 2| \ (3 + x) /
\ (3 + x) /
------------------------------------------------------
______________
/ 1 4
/ 1 - -------- *(3 + x)
/ 2
\/ (3 + x)
$$\frac{1}{\sqrt{1 - \frac{1}{\left(x + 3\right)^{2}}} \left(x + 3\right)^{4}} \left(6 + \frac{7}{\left(1 - \frac{1}{\left(x + 3\right)^{2}}\right) \left(x + 3\right)^{2}} + \frac{3}{\left(1 - \frac{1}{\left(x + 3\right)^{2}}\right)^{2} \left(x + 3\right)^{4}}\right)$$