/ 2*x 2*x*(1 - x*x)\
-|- ------- - -------------|
| 1 + x*x 2 |
\ (1 + x*x) /
-----------------------------
________________
/ 2
/ (1 - x*x)
/ 1 - ----------
/ 2
\/ (1 + x*x)
$$- \frac{- \frac{2 x \left(- x x + 1\right)}{\left(x x + 1\right)^{2}} - \frac{2 x}{x x + 1}}{\sqrt{- \frac{\left(- x x + 1\right)^{2}}{\left(x x + 1\right)^{2}} + 1}}$$
/ 2 \
| / 2\ |
| 2 | -1 + x | / 2\|
| 2*x *|-1 + -------| *\-1 + x /|
| 2 2 2 / 2\ | 2| |
| -1 + x 4*x 4*x *\-1 + x / \ 1 + x / |
2*|1 - ------- - ------ + -------------- + ------------------------------|
| 2 2 2 / 2\ |
| 1 + x 1 + x / 2\ 2 | / 2\ | |
| \1 + x / / 2\ | \1 - x / | |
| \1 + x / *|1 - ---------| |
| | 2| |
| | / 2\ | |
\ \ \1 + x / / /
--------------------------------------------------------------------------
_______________
/ 2
/ / 2\
/ 2\ / \1 - x /
\1 + x /* / 1 - ---------
/ 2
/ / 2\
\/ \1 + x /
$$\frac{2 \left(\frac{4 x^{2} \left(x^{2} - 1\right)}{\left(x^{2} + 1\right)^{2}} + \frac{2 x^{2} \left(x^{2} - 1\right) \left(\frac{x^{2} - 1}{x^{2} + 1} - 1\right)^{2}}{\left(x^{2} + 1\right)^{2} \left(- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1\right)} - \frac{4 x^{2}}{x^{2} + 1} - \frac{x^{2} - 1}{x^{2} + 1} + 1\right)}{\left(x^{2} + 1\right) \sqrt{- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1}}$$
/ / 2 2\ \
| / 2\ | / 2\ 2 / 2\ 2 / 2\ | / 2\ / 2 2 2 / 2\\ 3|
| | -1 + x | | 2 \-1 + x / 8*x *\-1 + x / 6*x *\-1 + x / | / 2\ | -1 + x | | -1 + x 4*x 4*x *\-1 + x /| 2 / 2\ |
| |-1 + -------|*|-1 + 3*x - ---------- - -------------- + ---------------| 2*\-1 + x /*|-1 + -------|*|1 - ------- - ------ + --------------| 2 / 2\ | -1 + x | |
| | 2| | 2 2 2 | | 2| | 2 2 2 | 6*x *\-1 + x / *|-1 + -------| |
| 2 / 2\ 2 / 2\ \ 1 + x / | 1 + x 1 + x / 2\ | \ 1 + x / | 1 + x 1 + x / 2\ | | 2| |
| 12*x 6*\-1 + x / 12*x *\-1 + x / \ \1 + x / / \ \1 + x / / \ 1 + x / |
-4*x*|6 - ------ - ----------- + --------------- + -------------------------------------------------------------------------- + ------------------------------------------------------------------ + -------------------------------|
| 2 2 2 / 2\ / 2\ 2 |
| 1 + x 1 + x / 2\ | / 2\ | | / 2\ | / 2\ |
| \1 + x / / 2\ | \1 - x / | / 2\ | \1 - x / | 3 | / 2\ | |
| \1 + x /*|1 - ---------| \1 + x /*|1 - ---------| / 2\ | \1 - x / | |
| | 2| | 2| \1 + x / *|1 - ---------| |
| | / 2\ | | / 2\ | | 2| |
| \ \1 + x / / \ \1 + x / / | / 2\ | |
\ \ \1 + x / / /
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
_______________
/ 2
2 / / 2\
/ 2\ / \1 - x /
\1 + x / * / 1 - ---------
/ 2
/ / 2\
\/ \1 + x /
$$- \frac{4 x \left(\frac{6 x^{2} \left(x^{2} - 1\right)^{2} \left(\frac{x^{2} - 1}{x^{2} + 1} - 1\right)^{3}}{\left(x^{2} + 1\right)^{3} \left(- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1\right)^{2}} + \frac{12 x^{2} \left(x^{2} - 1\right)}{\left(x^{2} + 1\right)^{2}} - \frac{12 x^{2}}{x^{2} + 1} - \frac{6 \left(x^{2} - 1\right)}{x^{2} + 1} + \frac{2 \left(x^{2} - 1\right) \left(\frac{x^{2} - 1}{x^{2} + 1} - 1\right) \left(\frac{4 x^{2} \left(x^{2} - 1\right)}{\left(x^{2} + 1\right)^{2}} - \frac{4 x^{2}}{x^{2} + 1} - \frac{x^{2} - 1}{x^{2} + 1} + 1\right)}{\left(x^{2} + 1\right) \left(- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1\right)} + 6 + \frac{\left(\frac{x^{2} - 1}{x^{2} + 1} - 1\right) \left(\frac{6 x^{2} \left(x^{2} - 1\right)^{2}}{\left(x^{2} + 1\right)^{2}} - \frac{8 x^{2} \left(x^{2} - 1\right)}{x^{2} + 1} + 3 x^{2} - \frac{\left(x^{2} - 1\right)^{2}}{x^{2} + 1} - 1\right)}{\left(x^{2} + 1\right) \left(- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1\right)}\right)}{\left(x^{2} + 1\right)^{2} \sqrt{- \frac{\left(1 - x^{2}\right)^{2}}{\left(x^{2} + 1\right)^{2}} + 1}}$$