题目内容
计算:
=______.
| lim |
| n→∞ |
| (n+1)(1-3n) |
| (2-n)(n2+n+1) |
| lim |
| n→∞ |
| (n+1)(1-3n) |
| (2-n)(n2+n+1) |
| lim |
| n→∞ |
| ||||||
(
|
故答案为:0
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题目内容
| lim |
| n→∞ |
| (n+1)(1-3n) |
| (2-n)(n2+n+1) |
| lim |
| n→∞ |
| (n+1)(1-3n) |
| (2-n)(n2+n+1) |
| lim |
| n→∞ |
| ||||||
(
|