2
2 2*x / 2 \
-2 + ------ + ------ + log\x - 4/
2 2
x x - 4
1 + --
4
$$\frac{2 x^{2}}{x^{2} - 4} + \log{\left(x^{2} - 4 \right)} - 2 + \frac{2}{\frac{x^{2}}{4} + 1}$$
/ 2 \
| 8 3 2*x |
2*x*|- --------- + ------- - ----------|
| 2 2 2|
| / 2\ -4 + x / 2\ |
\ \4 + x / \-4 + x / /
$$2 x \left(- \frac{2 x^{2}}{\left(x^{2} - 4\right)^{2}} - \frac{8}{\left(x^{2} + 4\right)^{2}} + \frac{3}{x^{2} - 4}\right)$$
/ 2 4 2 \
| 8 3 12*x 8*x 32*x |
2*|- --------- + ------- - ---------- + ---------- + ---------|
| 2 2 2 3 3|
| / 2\ -4 + x / 2\ / 2\ / 2\ |
\ \4 + x / \-4 + x / \-4 + x / \4 + x / /
$$2 \left(\frac{8 x^{4}}{\left(x^{2} - 4\right)^{3}} + \frac{32 x^{2}}{\left(x^{2} + 4\right)^{3}} - \frac{12 x^{2}}{\left(x^{2} - 4\right)^{2}} - \frac{8}{\left(x^{2} + 4\right)^{2}} + \frac{3}{x^{2} - 4}\right)$$