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