1 |
x |
1 |
x2 |
1 |
xn |
1 |
xn |
1 |
x2n |
1 |
x2 |
1 |
x4 |
1 |
x2n |
x2(x2n-1) |
x2-1 |
x-2(1-x-2n) |
1-x-2 |
(x2n-1)(x2n+2+1) |
x2n(x2-1) |
(x2n-1)(x2n+2+1) |
x2n(x2-1) |
1 |
b3b4 |
1 |
b4b5 |
1 |
bnbn+1 |
n+2 |
n |
an+1 |
an |
n+1 |
2n |
a | 21 |
a | 22 |
a | 23 |
a | 2n |
49 |
64 |
7x+5 |
x+1 |
1 |
an |
nπ |
3 |
nπ |
3 |
S3n |
n•4n |
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