_______ / 1 - x / 1 1 - x \ / ----- *(1 + x)*|- --------- - ----------| \/ 1 + x | 2*(1 + x) 2| \ 2*(1 + x) / ---------------------------------------------- / 1 - x\ (1 - x)*|1 + -----| \ 1 + x/
/ -1 + x\ ____________ | -1 + ------| / -(-1 + x) | 2 1 + x | / ---------- *|- ------ - -----------| \/ 1 + x \ -1 + x -1 + x / ----------------------------------------- 4*(-1 + x)
/ 2 \ | / -1 + x\ / -1 + x\ -1 + x | ____________ | |-1 + ------| 3*|-1 + ------| -1 + ------ | / -(-1 + x) | 1 \ 1 + x / \ 1 + x / 1 + x | / ---------- *|--------- + -------------- + --------------- + ------------------| \/ 1 + x | 2 2 2 4*(1 + x)*(-1 + x)| \(-1 + x) 8*(-1 + x) 4*(-1 + x) / ------------------------------------------------------------------------------------ -1 + x