/ 2 \
| 1 3*log(5*x) 4*log (5*x) |
2*|1 - ------------- + ------------- + ----------------|
| 2 2 2|
| 1 + log (5*x) 1 + log (5*x) / 2 \ |
\ \1 + log (5*x)/ /
--------------------------------------------------------
3 / 2 \
x *\1 + log (5*x)/
$$\frac{1}{x^{3} \left(\log^{2}{\left (5 x \right )} + 1\right)} \left(2 + \frac{6 \log{\left (5 x \right )}}{\log^{2}{\left (5 x \right )} + 1} - \frac{2}{\log^{2}{\left (5 x \right )} + 1} + \frac{8 \log^{2}{\left (5 x \right )}}{\left(\log^{2}{\left (5 x \right )} + 1\right)^{2}}\right)$$