1 ---------------------------- ______________ / 1 2 / 1 - -------- *(x - 1) / 2 \/ (x - 1)
/ 1 \ -|2 + -------------------------| | / 1 \ 2| | |1 - ---------|*(-1 + x) | | | 2| | \ \ (-1 + x) / / --------------------------------- _______________ / 1 3 / 1 - --------- *(-1 + x) / 2 \/ (-1 + x)
3 7 6 + -------------------------- + ------------------------- 2 / 1 \ 2 / 1 \ 4 |1 - ---------|*(-1 + x) |1 - ---------| *(-1 + x) | 2| | 2| \ (-1 + x) / \ (-1 + x) / ---------------------------------------------------------- _______________ / 1 4 / 1 - --------- *(-1 + x) / 2 \/ (-1 + x)