/ 1 x - 1 \ -|----- + --------| |2 - x 2| \ (2 - x) / -------------------- ______________ / 2 / (x - 1) / 1 - -------- / 2 \/ (2 - x)
/ / -1 + x\ \ | |1 - ------|*(-1 + x) | / -1 + x\ | \ -2 + x/ | |1 - ------|*|-2 + ------------------------| \ -2 + x/ | / 2\ | | | (-1 + x) | | | |1 - ---------|*(-2 + x)| | | 2| | \ \ (-2 + x) / / -------------------------------------------- _______________ / 2 / (-1 + x) 2 / 1 - --------- *(-2 + x) / 2 \/ (-2 + x)
/ 2 \ | 4*(-1 + x) 3*(-1 + x) 2 | | 1 - ---------- + ----------- / -1 + x\ / -1 + x\ 2 | | -2 + x 2 4*|1 - ------|*(-1 + x) 3*|1 - ------| *(-1 + x) | / -1 + x\ | (-2 + x) \ -2 + x/ \ -2 + x/ | |1 - ------|*|6 + ---------------------------- - ------------------------ + --------------------------| \ -2 + x/ | 2 / 2\ 2 | | (-1 + x) | (-1 + x) | / 2\ | | 1 - --------- |1 - ---------|*(-2 + x) | (-1 + x) | 2| | 2 | 2| |1 - ---------| *(-2 + x) | | (-2 + x) \ (-2 + x) / | 2| | \ \ (-2 + x) / / ------------------------------------------------------------------------------------------------------- _______________ / 2 / (-1 + x) 3 / 1 - --------- *(-2 + x) / 2 \/ (-2 + x)