x atan(x) + 5
d / x\ --\atan(x) + 5 / dx
1 x
------ + 5 *log(5)
2
1 + x
x 2 2*x
5 *log (5) - ---------
2
/ 2\
\1 + x /
2
2 x 3 8*x
- --------- + 5 *log (5) + ---------
2 3
/ 2\ / 2\
\1 + x / \1 + x /