/ 2\
| 8 4 / 4\ 8 / 4\ |
| 8*x 18*x *\-1 + x / 24*x *\-1 + x / |
8*x*|3 + -------------- + --------------- + -----------------|
| 2 2 2|
| / 4\ / 4\ / 2\ |
| 1 - \-1 + x / 1 - \-1 + x / | / 4\ | |
\ \1 - \-1 + x / / /
--------------------------------------------------------------
________________
/ 2
/ / 4\
\/ 1 - \-1 + x /
$$\frac{8 x \left(\frac{8 x^{8}}{1 - \left(x^{4} - 1\right)^{2}} + \frac{24 x^{8} \left(x^{4} - 1\right)^{2}}{\left(1 - \left(x^{4} - 1\right)^{2}\right)^{2}} + \frac{18 x^{4} \left(x^{4} - 1\right)}{1 - \left(x^{4} - 1\right)^{2}} + 3\right)}{\sqrt{1 - \left(x^{4} - 1\right)^{2}}}$$