题目内容
| lim |
| n→∞ |
| 1 |
| 1•4 |
| 1 |
| 4•7 |
| 1 |
| 7•10 |
| 1 |
| (3n-2)(3n+1) |
| lim |
| n→∞ |
| 1 |
| 1•4 |
| 1 |
| 4•7 |
| 1 |
| 7•10 |
| 1 |
| (3n-2)(3n+1) |
=
| lim |
| n→∞ |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 3n-2 |
| 1 |
| 3n+1 |
=
| lim |
| n→∞ |
| 1 |
| 3 |
| 1 |
| 3n+1 |
=
| lim |
| n→∞ |
| 1 |
| 3 |
| 3n |
| 3n+1 |
| 1 |
| 3 |
故答案为
| 1 |
| 3 |
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=
=
=
故答案为
题目内容
| lim |
| n→∞ |
| 1 |
| 1•4 |
| 1 |
| 4•7 |
| 1 |
| 7•10 |
| 1 |
| (3n-2)(3n+1) |
| lim |
| n→∞ |
| 1 |
| 1•4 |
| 1 |
| 4•7 |
| 1 |
| 7•10 |
| 1 |
| (3n-2)(3n+1) |
| lim |
| n→∞ |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 3n-2 |
| 1 |
| 3n+1 |
| lim |
| n→∞ |
| 1 |
| 3 |
| 1 |
| 3n+1 |
| lim |
| n→∞ |
| 1 |
| 3 |
| 3n |
| 3n+1 |
| 1 |
| 3 |
| 1 |
| 3 |