题目内容
计算:
=
.
| lim |
| n→∞ |
| 3n2+4n-2 |
| (2n+1)2 |
| 3 |
| 4 |
| 3 |
| 4 |
由题意,
=
=
,故答案为
.
| lim |
| n→∞ |
| 3n2+4n-2 |
| (2n+1)2 |
| lim |
| n→∞ |
3 +
| ||||
4+
|
| 3 |
| 4 |
| 3 |
| 4 |
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