2 ___ \/ x - 8*x + 17*atan(x - 4)
/ 2 \ d | ___ | --\\/ x - 8*x + 17*atan(x - 4)/ dx
17 x -8 + ------------ + - 2 x 1 + (x - 4)
-34*(-4 + x) ---------------- 2 / 2\ \1 + (-4 + x) /
/ 2 \ | 4*(-4 + x) | 34*|-1 + -------------| | 2| \ 1 + (-4 + x) / ----------------------- 2 / 2\ \1 + (-4 + x) /