1 | ||
an-
|
1 | ||
1-
|
7 |
8 |
1 | ||||
|
8 |
3 |
3 |
4 |
1 | ||||
|
13 |
20 |
20 |
3 |
4 |
3 |
4 |
3 |
2 |
3 |
8 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
2 |
3 |
5+2a |
16-8an |
4 |
3 |
1 | ||
an+1-
|
4 |
3 |
16-8an |
6an-3 |
4 |
3 |
20-16an |
6an-3 |
4 |
3 |
2 | ||
an-
|
8 |
3 |
20-16an |
6an-3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
2 |
3 |
4 |
3 |
1 |
3 |
1 |
3 |
4 |
3 |
1 | ||
an-
|
1 |
2 |
1 |
2 |
| ||
1-2 |
5 |
3 |
1 |
3 |
1 | ||
an-
|
1 |
bn |
1 |
2 |
4 |
bn+1bn |
6 |
bn+1 |
3 |
bn |
4 |
3 |
8 |
3 |
20 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
2 |
3 |
4 |
3 |
2 |
3 |
4 |
3 |
1 |
3 |
1 |
3 |
4 |
3 |
1 | ||
an-
|
1 |
2 |
1 |
2 |
| ||
1-2 |
5 |
3 |
1 |
3 |
2 |
3 |
4 |
3 |
8 |
3 |
2 |
3 |
8 |
3 |
4 |
3 |
2 |
3 |
1 |
3 |
5+2an |
16-8an |
1 | ||
an+1-
|
1 | ||
an-
|
1 | ||||
|
2 |
2an-1 |
16-8an |
6an-3 |
6 |
6an-3 |
10-8an |
6an-3 |
1 | ||
an+2-
|
1 | ||
an+1-
|
16-8an+1 |
6an+1-3 |
16-8an |
6an-3 |
36-24an |
6an-3 |
16-8an |
6an-3 |
20-16an |
6an-3 |
2 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
4 |
3 |
1 | ||
an-
|
1 |
2 |
1 |
2 |
| ||
1-2 |
5 |
3 |
1 |
3 |
科目:高中數(shù)學 來源: 題型:
nban-1 | an-1+n-1 |
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科目:高中數(shù)學 來源: 題型:
1 |
an |
lim |
n→∞ |
bn |
A(bn+A) |
1 |
2n |
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科目:高中數(shù)學 來源: 題型:
1 | 2 |
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科目:高中數(shù)學 來源: 題型:
4 |
3 |
1 |
a1 |
1 |
a2 |
1 |
a2013 |
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