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