/ 2 3 \ | x x 2*x | 2*|1 + ------------------ + ----------------- - ----------------| | 2 2 / 2\ | | / 2\ 2 / 2\ \1 + x /*atan(x)| \ \1 + x / *atan (x) \1 + x / *atan(x) / ----------------------------------------------------------------- atan(x)
/ 4 2 3 2 \ | 4*x 7*x 6*x 3*x 6*x | 2*|-3 - --------- + ------ - ----------------- - ------------------ + ----------------| | 2 2 2 2 / 2\ | | / 2\ 1 + x / 2\ / 2\ 2 \1 + x /*atan(x)| \ \1 + x / \1 + x / *atan(x) \1 + x / *atan (x) / --------------------------------------------------------------------------------------- / 2\ 2 \1 + x /*atan (x)