λ |
1+λ |
1 |
2 |
1 |
bn |
a1-anq |
1-q |
1-an•
| ||
1-
|
bn-1 |
1+bn-1 |
1 |
bn |
1 |
bn-1 |
1 |
bn |
1 |
bn-1 |
1 |
bn |
1 |
b1 |
1 |
bn |
1 |
n+1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1-(
| ||
1-
|
1 |
2 |
2+n |
2n-1 |
2+n |
2n-1 |
f(n+1) |
f(n) |
3+n |
4+2n |
A.
| B.2 | C.
| D.3 |
7 |
4 |
8 |
9 |
2an |
an+1 |
1 |
an |
A.2或-
| B.-2或
| C.-2或-
| D.2或
|
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