1 |
2 |
1 |
2n |
bn |
an |
a | 2n |
s | ni=2 |
a | 2i |
1 |
2 |
s | ni=2 |
a | 2i |
an-1+an+1 |
an-1an+1 |
2 |
an |
1 |
an+1 |
1 |
an-1 |
2 |
an |
1 |
an+1 |
1 |
an |
1 |
an |
1 |
an-1 |
1 |
a2 |
1 |
a1 |
1 |
an |
1 |
an |
1 |
n |
1 |
2 |
1 |
2 |
1 |
2n |
1 |
2n-1 |
1 |
2n |
1 |
2n |
bn |
an |
n |
2n |
1 |
21 |
2 |
22 |
3 |
23 |
n |
2n |
1 |
2 |
1 |
22 |
2 |
23 |
3 |
24 |
n |
2n+1 |
1 |
2 |
1 |
21 |
1 |
22 |
1 |
23 |
1 |
2n |
n |
2n+1 |
| ||||
1-
|
n |
2n+1 |
1 |
2n |
n |
2n+1 |
n+2 |
2n |
a | 2n |
1 |
n |
1 |
n |
1 |
n |
n+1 |
n |
n-1 |
n |
s | ni=2 |
a | 2i |
3 |
2 |
1 |
2 |
4 |
3 |
2 |
3 |
5 |
4 |
3 |
4 |
n+1 |
n |
n-1 |
n |
3 |
2 |
4 |
3 |
5 |
4 |
n+1 |
n |
1 |
2 |
2 |
3 |
3 |
4 |
n-1 |
n |
n+1 |
2 |
1 |
n |
1 |
2 |
1 |
n |
1 |
n |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
n |
3 |
4 |
1 |
2 |
s | ni=2 |
a | 2i |
1 |
4 |
S4 |
S2 |
5 |
4 |
1 |
a1 |
1 |
a2 |
1 |
a3 |
1 |
a4 |
1 |
an |
A.2[1-(-2)n] | B.2(1-2n) | C.
| D.
|
1 | ||
2x+
|
1 |
4x+2 |
1 | ||||
|
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