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