| ||
| 1-x |
| 1 |
| 2 |
| 1 |
| n |
| 2 |
| n |
| n-1 |
| n |
| lim |
| n→∞ |
| 4Sn-9Sn |
| 4Sn+1+9Sn+1 |
|
| 1 |
| n |
| 2 |
| n |
| n-1 |
| n |
| n-1 |
| 2 |
| lim |
| n→∞ |
| 4Sn-9Sn |
| 4Sn+1+9Sn+1 |
| 1 |
| n+1 |
| 1 |
| n+2 |
| Tn |
| Sn+1+1 |
| n |
| (n+2)2 |
| ||
| 1-x1 |
| ||
| 1-x2 |
| 3x1x2 |
| 1-(x1+x2)+x1x2 |
| 1 |
| n |
| 2 |
| n |
| n-1 |
| n |
| n-1 |
| n |
| 2 |
| n |
| 1 |
| n |
| n-1 |
| 2 |
| lim |
| n→∞ |
| 4Sn-9Sn |
| 4Sn+1+9Sn+1 |
| lim |
| n→∞ |
| 2n-1-3n-1 |
| 2n+3n |
| 1 |
| 3 |
| 1 | ||||
4×
|
| 1 |
| n+1 |
| 1 |
| n+2 |
| 1 |
| 6 |
| 1 |
| n+1 |
| 1 |
| n+2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| n+1 |
| 1 |
| n+2 |
| n |
| 2(n+2) |
| Tn |
| Sn+1+1 |
| n |
| (n+2)2 |
| n |
| (n+2)2 |
| 1 | ||
n+
|
| 1 |
| 8 |
| 1 |
| 8 |
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