/ x - 1\ acos\2 /
acos(2^(x - 1))
x - 1 -2 *log(2) ------------------ _______________ / -2 + 2*x \/ 1 - 2
/ 2*x \
x 2 | 2 |
-2 *log (2)*|4 + --------|
| 2*x|
| 2 |
| 1 - ----|
\ 4 /
---------------------------
__________
/ 2*x
/ 2
8* / 1 - ----
\/ 4
/ 4*x 2*x \
x 3 | 3*2 16*2 |
-2 *log (2)*|16 + ----------- + --------|
| 2 2*x|
| / 2*x\ 2 |
| | 2 | 1 - ----|
| |1 - ----| 4 |
\ \ 4 / /
------------------------------------------
__________
/ 2*x
/ 2
32* / 1 - ----
\/ 4