x //1 2\ 686*x 14*(1 + log(x))\
x *||- + (1 + log(x)) |*atan(7*x) - ------------ + ---------------|
|\x / 2 2 |
| / 2\ 1 + 49*x |
\ \1 + 49*x / /
$$x^{x} \left(- \frac{686 x}{\left(49 x^{2} + 1\right)^{2}} + \left(\left(\log{\left(x \right)} + 1\right)^{2} + \frac{1}{x}\right) \operatorname{atan}{\left(7 x \right)} + \frac{14 \left(\log{\left(x \right)} + 1\right)}{49 x^{2} + 1}\right)$$
/ / 2 \ \
| | 196*x | |
| /1 2\ 686*|-1 + ---------| |
| 21*|- + (1 + log(x)) | | 2| |
x |/ 3 1 3*(1 + log(x))\ \x / \ 1 + 49*x / 2058*x*(1 + log(x))|
x *||(1 + log(x)) - -- + --------------|*atan(7*x) + ---------------------- + -------------------- - -------------------|
|| 2 x | 2 2 2 |
|\ x / 1 + 49*x / 2\ / 2\ |
\ \1 + 49*x / \1 + 49*x / /
$$x^{x} \left(- \frac{2058 x \left(\log{\left(x \right)} + 1\right)}{\left(49 x^{2} + 1\right)^{2}} + \left(\left(\log{\left(x \right)} + 1\right)^{3} + \frac{3 \left(\log{\left(x \right)} + 1\right)}{x} - \frac{1}{x^{2}}\right) \operatorname{atan}{\left(7 x \right)} + \frac{21 \left(\left(\log{\left(x \right)} + 1\right)^{2} + \frac{1}{x}\right)}{49 x^{2} + 1} + \frac{686 \left(\frac{196 x^{2}}{49 x^{2} + 1} - 1\right)}{\left(49 x^{2} + 1\right)^{2}}\right)$$