4 _________ \/ atan(x)
1 --------------------- / 2\ 3/4 4*\1 + x /*atan (x)
/ 3 \ -|------- + 8*x| \atan(x) / ----------------------- 2 / 2\ 3/4 16*\1 + x / *atan (x)
2 1 2*x 21 9*x - - + ------ + -------------------- + ------------------ 2 2 / 2\ 2 / 2\ 1 + x 64*\1 + x /*atan (x) 8*\1 + x /*atan(x) -------------------------------------------------------- 2 / 2\ 3/4 \1 + x / *atan (x)