2 / 2 \ / 2\
4*t*x *\x - 1/ | / 2 \ |
---------------- + atan\t*\x - 1/ /
4
2 / 2 \
1 + t *\x - 1/
$$\frac{4 t x^{2} \left(x^{2} - 1\right)}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + \operatorname{atan}{\left(t \left(x^{2} - 1\right)^{2} \right)}$$
/ 4\
| 2 2 / 2\ |
| 2 8*t *x *\-1 + x / |
4*t*x*|-3 + 5*x - ------------------|
| 4 |
| 2 / 2\ |
\ 1 + t *\-1 + x / /
--------------------------------------
4
2 / 2\
1 + t *\-1 + x /
$$\frac{4 t x \left(- \frac{8 t^{2} x^{2} \left(x^{2} - 1\right)^{4}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + 5 x^{2} - 3\right)}{t^{2} \left(x^{2} - 1\right)^{4} + 1}$$
/ / 4 3 7 \ 4\
| | 2 / 2\ 2 2 / 2\ 4 2 / 2\ | 2 2 / 2\ |
| 2 2 | 12*t *\-1 + x / 40*t *x *\-1 + x / 64*t *x *\-1 + x / | 24*t *x *\-1 + x / |
4*t*|-3 + 9*x + 2*x *|3 - ----------------- - ------------------- + --------------------| - -------------------|
| | 4 4 2| 4 |
| | 2 / 2\ 2 / 2\ / 4\ | 2 / 2\ |
| | 1 + t *\-1 + x / 1 + t *\-1 + x / | 2 / 2\ | | 1 + t *\-1 + x / |
\ \ \1 + t *\-1 + x / / / /
-----------------------------------------------------------------------------------------------------------------
4
2 / 2\
1 + t *\-1 + x /
$$\frac{4 t \left(- \frac{24 t^{2} x^{2} \left(x^{2} - 1\right)^{4}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + 2 x^{2} \left(\frac{64 t^{4} x^{2} \left(x^{2} - 1\right)^{7}}{\left(t^{2} \left(x^{2} - 1\right)^{4} + 1\right)^{2}} - \frac{40 t^{2} x^{2} \left(x^{2} - 1\right)^{3}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} - \frac{12 t^{2} \left(x^{2} - 1\right)^{4}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + 3\right) + 9 x^{2} - 3\right)}{t^{2} \left(x^{2} - 1\right)^{4} + 1}$$
/ / 4 3 7 \ 4\
| | 2 / 2\ 2 2 / 2\ 4 2 / 2\ | 2 2 / 2\ |
| 2 2 | 12*t *\-1 + x / 40*t *x *\-1 + x / 64*t *x *\-1 + x / | 24*t *x *\-1 + x / |
4*t*|-3 + 9*x + 2*x *|3 - ----------------- - ------------------- + --------------------| - -------------------|
| | 4 4 2| 4 |
| | 2 / 2\ 2 / 2\ / 4\ | 2 / 2\ |
| | 1 + t *\-1 + x / 1 + t *\-1 + x / | 2 / 2\ | | 1 + t *\-1 + x / |
\ \ \1 + t *\-1 + x / / / /
-----------------------------------------------------------------------------------------------------------------
4
2 / 2\
1 + t *\-1 + x /
$$\frac{4 t \left(- \frac{24 t^{2} x^{2} \left(x^{2} - 1\right)^{4}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + 2 x^{2} \left(\frac{64 t^{4} x^{2} \left(x^{2} - 1\right)^{7}}{\left(t^{2} \left(x^{2} - 1\right)^{4} + 1\right)^{2}} - \frac{40 t^{2} x^{2} \left(x^{2} - 1\right)^{3}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} - \frac{12 t^{2} \left(x^{2} - 1\right)^{4}}{t^{2} \left(x^{2} - 1\right)^{4} + 1} + 3\right) + 9 x^{2} - 3\right)}{t^{2} \left(x^{2} - 1\right)^{4} + 1}$$