1 100*t
---------- - -----
/ 2\ 5
3*\1 + x / x
$$- \frac{100 t}{x^{5}} + \frac{1}{3 \left(x^{2} + 1\right)}$$
/250*t x \
2*|----- - -----------|
| 6 2|
| x / 2\ |
\ 3*\1 + x / /
$$2 \left(\frac{250 t}{x^{6}} - \frac{x}{3 \left(x^{2} + 1\right)^{2}}\right)$$
/ 2 \
| 1 1500*t 4*x |
2*|- ----------- - ------ + -----------|
| 2 7 3|
| / 2\ x / 2\ |
\ 3*\1 + x / 3*\1 + x / /
$$2 \left(- \frac{1500 t}{x^{7}} + \frac{4 x^{2}}{3 \left(x^{2} + 1\right)^{3}} - \frac{1}{3 \left(x^{2} + 1\right)^{2}}\right)$$