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