题目内容
| lim |
| n→∞ |
| 2n2+3n+1 |
| n2+2 |
| A.2 | B.0 | C.1 | D.
|
∵
=
=2.
故选A.
| lim |
| n→∞ |
| 2n2+3n+1 |
| n2+2 |
| lim |
| n→∞ |
2+
| ||||
1+
|
故选A.
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题目内容
| lim |
| n→∞ |
| 2n2+3n+1 |
| n2+2 |
| A.2 | B.0 | C.1 | D.
|
| lim |
| n→∞ |
| 2n2+3n+1 |
| n2+2 |
| lim |
| n→∞ |
2+
| ||||
1+
|