/ 2 \
| 1 100*x 15*x |
250*|1 - ---------------------- - --------- + ---------------------|
| / 2\ 2 2 / 2\ |
\ \1 + 25*x /*acot (5*x) 1 + 25*x \1 + 25*x /*acot(5*x)/
--------------------------------------------------------------------
2
/ 2\
\1 + 25*x / *acot(5*x)
$$\frac{250 \left(- \frac{100 x^{2}}{25 x^{2} + 1} + \frac{15 x}{\left(25 x^{2} + 1\right) \operatorname{acot}{\left(5 x \right)}} + 1 - \frac{1}{\left(25 x^{2} + 1\right) \operatorname{acot}^{2}{\left(5 x \right)}}\right)}{\left(25 x^{2} + 1\right)^{2} \operatorname{acot}{\left(5 x \right)}}$$