2 2 x 2*x 1 - ------ - ------ 2 2 1 + x 2 + x -------------------- ________ / 2 / 2\ \/ 1 + x *\2 + x /
/ 2 2 2 \ | 6 3 3*x 8*x 4*x | x*|- ------ - ------ + --------- + --------- + -----------------| | 2 2 2 2 / 2\ / 2\| | 2 + x 1 + x / 2\ / 2\ \1 + x /*\2 + x /| \ \1 + x / \2 + x / / ----------------------------------------------------------------- ________ / 2 / 2\ \/ 1 + x *\2 + x /