5 896*atan (8*x)*(3 - 8*x*atan(8*x)) ---------------------------------- 2 / 2\ \1 + 64*x /
/ 2 2 \ 4 | 2 15 144*x*atan(8*x) 256*x *atan (8*x)| 7168*atan (8*x)*|- atan (8*x) + --------- - --------------- + -----------------| | 2 2 2 | \ 1 + 64*x 1 + 64*x 1 + 64*x / -------------------------------------------------------------------------------- 2 / 2\ \1 + 64*x /