题目内容
求极限
(
+
+
+…+
)
| lim |
| n→∞ |
| 1 |
| n2+1 |
| 2 |
| n2+1 |
| 3 |
| n2+1 |
| 2n |
| n2+1 |
| lim |
| n→∞ |
| 1 |
| n2+1 |
| 2 |
| n2+1 |
| 3 |
| n2+1 |
| 2n |
| n2+1 |
=
| lim |
| n→∞ |
| ||
| n2+1 |
=
| lim |
| n→∞ |
| 2n2+n |
| n2+1 |
=2.
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题目内容
| lim |
| n→∞ |
| 1 |
| n2+1 |
| 2 |
| n2+1 |
| 3 |
| n2+1 |
| 2n |
| n2+1 |
| lim |
| n→∞ |
| 1 |
| n2+1 |
| 2 |
| n2+1 |
| 3 |
| n2+1 |
| 2n |
| n2+1 |
| lim |
| n→∞ |
| ||
| n2+1 |
| lim |
| n→∞ |
| 2n2+n |
| n2+1 |