题目内容
| lim |
| n→∞ |
| n |
| n-2007 |
e2007
e2007
.分析:利用重要极限
(1+
)n=e,而
(
)n=
(
) n=
=
,从而可求
| lim |
| n→∞ |
| 1 |
| n |
| lim |
| n→∞ |
| n |
| n-2007 |
| lim |
| n→∞ |
| 1 | ||
|
| lim |
| n→∞ |
| 1 | ||
(1-
|
| lim |
| n→∞ |
| 1 | ||||
(1-
|
解答:解:
(
)n=
(
) n=
=
=
=e2007
故答案为:e2007
| lim |
| n→∞ |
| n |
| n-2007 |
| lim |
| n→∞ |
| 1 | ||
|
| lim |
| n→∞ |
| 1 | ||
(1-
|
=
| lim |
| n→∞ |
| 1 | ||||
(1-
|
| 1 |
| e-2007 |
故答案为:e2007
点评:本题主要考查了数列极限的求解,解题的关键是利用重要极限
(1+
)n=e,还要注意本题中的配凑.
| lim |
| n→∞ |
| 1 |
| n |
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