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