3 / 4\
4 / 4\ 4 4 / 4\ 4*x*atan (x)*cos\7*x /
atan (x)*cos\7*x / - 28*x *atan (x)*sin\7*x / + ----------------------
2
1 + x
$$- 28 x^{4} \sin{\left(7 x^{4} \right)} \operatorname{atan}^{4}{\left(x \right)} + \cos{\left(7 x^{4} \right)} \operatorname{atan}^{4}{\left(x \right)} + \frac{4 x \cos{\left(7 x^{4} \right)} \operatorname{atan}^{3}{\left(x \right)}}{x^{2} + 1}$$
/ / 4\ / 4\ 4 / 4\\
2 | 3 2 / 4\ 3 2 / / 4\ 4 / 4\\ 2*atan(x)*cos\7*x / x*(-3 + 2*x*atan(x))*cos\7*x / 56*x *atan(x)*sin\7*x /|
4*atan (x)*|- 14*x *atan (x)*sin\7*x / - 7*x *atan (x)*\3*sin\7*x / + 28*x *cos\7*x // + ------------------- - ------------------------------ - -----------------------|
| 2 2 2 |
| 1 + x / 2\ 1 + x |
\ \1 + x / /
$$4 \left(- 7 x^{3} \cdot \left(28 x^{4} \cos{\left(7 x^{4} \right)} + 3 \sin{\left(7 x^{4} \right)}\right) \operatorname{atan}^{2}{\left(x \right)} - 14 x^{3} \sin{\left(7 x^{4} \right)} \operatorname{atan}^{2}{\left(x \right)} - \frac{56 x^{4} \sin{\left(7 x^{4} \right)} \operatorname{atan}{\left(x \right)}}{x^{2} + 1} - \frac{x \left(2 x \operatorname{atan}{\left(x \right)} - 3\right) \cos{\left(7 x^{4} \right)}}{\left(x^{2} + 1\right)^{2}} + \frac{2 \cos{\left(7 x^{4} \right)} \operatorname{atan}{\left(x \right)}}{x^{2} + 1}\right) \operatorname{atan}^{2}{\left(x \right)}$$
/ / 2 2 \ \
| | 2 3 9*x*atan(x) 4*x *atan (x)| / 4\ |
| 2*x*|- atan (x) + ------ - ----------- + -------------|*cos\7*x / |
| 3 2 / 4\ 3 2 / / 4\ 4 / 4\\ / 4\ | 2 2 2 | 4 / 4\|
| 2 3 / / 4\ 4 / 4\\ 2 3 / / 4\ 8 / 4\ 4 / 4\\ 168*x *atan (x)*sin\7*x / 84*x *atan (x)*\3*sin\7*x / + 28*x *cos\7*x // 3*(-3 + 2*x*atan(x))*atan(x)*cos\7*x / \ 1 + x 1 + x 1 + x / 84*x *(-3 + 2*x*atan(x))*atan(x)*sin\7*x /|
4*|- 21*x *atan (x)*\3*sin\7*x / + 28*x *cos\7*x // - 14*x *atan (x)*\3*sin\7*x / - 392*x *sin\7*x / + 126*x *cos\7*x // - ------------------------- - ---------------------------------------------- - -------------------------------------- + ----------------------------------------------------------------- + ------------------------------------------|*atan(x)
| 2 2 2 2 2 |
| 1 + x 1 + x / 2\ / 2\ / 2\ |
\ \1 + x / \1 + x / \1 + x / /
$$4 \cdot \left(- 21 x^{2} \cdot \left(28 x^{4} \cos{\left(7 x^{4} \right)} + 3 \sin{\left(7 x^{4} \right)}\right) \operatorname{atan}^{3}{\left(x \right)} - 14 x^{2} \left(- 392 x^{8} \sin{\left(7 x^{4} \right)} + 126 x^{4} \cos{\left(7 x^{4} \right)} + 3 \sin{\left(7 x^{4} \right)}\right) \operatorname{atan}^{3}{\left(x \right)} + \frac{84 x^{4} \cdot \left(2 x \operatorname{atan}{\left(x \right)} - 3\right) \sin{\left(7 x^{4} \right)} \operatorname{atan}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}} - \frac{84 x^{3} \cdot \left(28 x^{4} \cos{\left(7 x^{4} \right)} + 3 \sin{\left(7 x^{4} \right)}\right) \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} - \frac{168 x^{3} \sin{\left(7 x^{4} \right)} \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} + \frac{2 x \left(\frac{4 x^{2} \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} - \operatorname{atan}^{2}{\left(x \right)} - \frac{9 x \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{3}{x^{2} + 1}\right) \cos{\left(7 x^{4} \right)}}{\left(x^{2} + 1\right)^{2}} - \frac{3 \cdot \left(2 x \operatorname{atan}{\left(x \right)} - 3\right) \cos{\left(7 x^{4} \right)} \operatorname{atan}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}}\right) \operatorname{atan}{\left(x \right)}$$