题目内容
| lim |
| n→∞ |
| 1+3+5+…+(2n-1) |
| n(2n+1) |
A.
| B.
| C.1 | D.2 |
依题
=
=
.
故选B
| lim |
| n→∞ |
| 1+3+5++(2n-1) |
| n(2n+1) |
| lim |
| n→∞ |
| n2 |
| 2n2+n |
| 1 |
| 2 |
故选B
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相关题目
| lim |
| n→∞ |
| 1+3+5+…+(2n-1) |
| n(2n+1) |
A、
| ||
B、
| ||
| C、1 | ||
| D、2 |