/ 2\ atan\3 - x /
atan(3 - x^2)
-2*x ------------- 2 / 2\ 1 + \3 - x /
/ 2 / 2\\ | 4*x *\-3 + x /| 2*|-1 + --------------| | 2| | / 2\ | \ 1 + \-3 + x / / ----------------------- 2 / 2\ 1 + \-3 + x /
/ 2\ | 2 / 2\ | | 2 8*x *\-3 + x / | 8*x*|-9 + 5*x - ---------------| | 2| | / 2\ | \ 1 + \-3 + x / / --------------------------------- 2 / 2\ | / 2\ | \1 + \-3 + x / /