2
/ 5 \
2 / 4\ / 5 \ 2*\4*x - 5*x - 3/ *atan(x)
atan (x)*\-10 + 40*x /*\4*x - 5*x - 3/ + ---------------------------
2
1 + x
$$\left(40 x^{4} - 10\right) \left(\left(4 x^{5} - 5 x\right) - 3\right) \operatorname{atan}^{2}{\left(x \right)} + \frac{2 \left(\left(4 x^{5} - 5 x\right) - 3\right)^{2} \operatorname{atan}{\left(x \right)}}{x^{2} + 1}$$
/ 2 \
| / 2 \ / 5 \ / 4\ / 5 \ |
| 2 | / 4\ 3 / 5 \| \3 - 4*x + 5*x/ *(-1 + 2*x*atan(x)) 20*\-1 + 4*x /*\3 - 4*x + 5*x/*atan(x)|
-2*|5*atan (x)*\- 5*\-1 + 4*x / + 16*x *\3 - 4*x + 5*x// + ------------------------------------ + ---------------------------------------|
| 2 2 |
| / 2\ 1 + x |
\ \1 + x / /
$$- 2 \left(5 \left(16 x^{3} \left(- 4 x^{5} + 5 x + 3\right) - 5 \left(4 x^{4} - 1\right)^{2}\right) \operatorname{atan}^{2}{\left(x \right)} + \frac{20 \left(4 x^{4} - 1\right) \left(- 4 x^{5} + 5 x + 3\right) \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{\left(2 x \operatorname{atan}{\left(x \right)} - 1\right) \left(- 4 x^{5} + 5 x + 3\right)^{2}}{\left(x^{2} + 1\right)^{2}}\right)$$
/ 2 / 2 \ \
| / 5 \ | 3*x 4*x *atan(x) | |
| \3 - 4*x + 5*x/ *|------ - ------------ + atan(x)| / 2 \ |
| | 2 2 | | / 4\ 3 / 5 \| / 4\ / 5 \|
| \1 + x 1 + x / 15*\- 5*\-1 + 4*x / + 16*x *\3 - 4*x + 5*x//*atan(x) 2 2 / 5 / 4\\ 15*\-1 + 4*x /*(-1 + 2*x*atan(x))*\3 - 4*x + 5*x/|
4*|- --------------------------------------------------- - ------------------------------------------------------ + 120*x *atan (x)*\-3 - 5*x + 4*x + 5*x*\-1 + 4*x // + --------------------------------------------------|
| 2 2 2 |
| / 2\ 1 + x / 2\ |
\ \1 + x / \1 + x / /
$$4 \left(120 x^{2} \left(4 x^{5} + 5 x \left(4 x^{4} - 1\right) - 5 x - 3\right) \operatorname{atan}^{2}{\left(x \right)} - \frac{15 \left(16 x^{3} \left(- 4 x^{5} + 5 x + 3\right) - 5 \left(4 x^{4} - 1\right)^{2}\right) \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{15 \left(4 x^{4} - 1\right) \left(2 x \operatorname{atan}{\left(x \right)} - 1\right) \left(- 4 x^{5} + 5 x + 3\right)}{\left(x^{2} + 1\right)^{2}} - \frac{\left(- 4 x^{5} + 5 x + 3\right)^{2} \left(- \frac{4 x^{2} \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{3 x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}\right)}{\left(x^{2} + 1\right)^{2}}\right)$$