2
acot (5*x) 10*acot(5*x)*log(x - 4)
---------- - -----------------------
x - 4 2
1 + 25*x
$$- \frac{10 \log{\left(x - 4 \right)} \operatorname{acot}{\left(5 x \right)}}{25 x^{2} + 1} + \frac{\operatorname{acot}^{2}{\left(5 x \right)}}{x - 4}$$
2
acot (5*x) 20*acot(5*x) 50*(1 + 10*x*acot(5*x))*log(-4 + x)
- ---------- - -------------------- + -----------------------------------
2 / 2\ 2
(-4 + x) \1 + 25*x /*(-4 + x) / 2\
\1 + 25*x /
$$\frac{50 \left(10 x \operatorname{acot}{\left(5 x \right)} + 1\right) \log{\left(x - 4 \right)}}{\left(25 x^{2} + 1\right)^{2}} - \frac{20 \operatorname{acot}{\left(5 x \right)}}{\left(x - 4\right) \left(25 x^{2} + 1\right)} - \frac{\operatorname{acot}^{2}{\left(5 x \right)}}{\left(x - 4\right)^{2}}$$
/ / 2 \ \
| | 15*x 100*x *acot(5*x)| |
| 250*|-acot(5*x) + --------- + ----------------|*log(-4 + x) |
| 2 | 2 2 | |
|acot (5*x) \ 1 + 25*x 1 + 25*x / 15*acot(5*x) 75*(1 + 10*x*acot(5*x))|
2*|---------- - ----------------------------------------------------------- + --------------------- + -----------------------|
| 3 2 / 2\ 2 2 |
|(-4 + x) / 2\ \1 + 25*x /*(-4 + x) / 2\ |
\ \1 + 25*x / \1 + 25*x / *(-4 + x) /
$$2 \left(- \frac{250 \left(\frac{100 x^{2} \operatorname{acot}{\left(5 x \right)}}{25 x^{2} + 1} + \frac{15 x}{25 x^{2} + 1} - \operatorname{acot}{\left(5 x \right)}\right) \log{\left(x - 4 \right)}}{\left(25 x^{2} + 1\right)^{2}} + \frac{75 \left(10 x \operatorname{acot}{\left(5 x \right)} + 1\right)}{\left(x - 4\right) \left(25 x^{2} + 1\right)^{2}} + \frac{15 \operatorname{acot}{\left(5 x \right)}}{\left(x - 4\right)^{2} \left(25 x^{2} + 1\right)} + \frac{\operatorname{acot}^{2}{\left(5 x \right)}}{\left(x - 4\right)^{3}}\right)$$