a | 2 n |
a | 2 n+1 |
3 |
4 |
5 |
8 |
2 |
3 |
1 |
2 |
1 |
2 |
1 |
2n |
1 |
4 |
3 |
4n |
lim |
n→∞ |
1 |
2 |
1 |
2n |
1 |
2 |
lim |
n→∞ |
1 |
4 |
3 |
4n |
1 |
4 |
1 |
2 |
1 |
4 |
a | 2 n |
a | 2 n+1 |
a | 2 n+1 |
a | 2 n |
1 |
2 |
a | 2 1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
n(n-1) |
2 |
1 |
4 |
3 |
4 |
an |
n |
1 |
2 |
1 |
2n |
Sn |
n2 |
1 |
4 |
3 |
4n |
1 |
2 |
1 |
2n |
1 |
4 |
3 |
4n |
1 |
2 |
1 |
2n |
1 |
4 |
3 |
4n |
1 |
4 |
3 |
4n |
2 |
3 |
1 |
2 |
2 |
3 |
2 |
3 |
1 |
2 |
1 |
2 |
2 |
3 |
1 |
4 |
3 |
4 |
5 |
8 |
2 |
3 |
1 |
2 |
1 |
2 |
1 |
2n |
1 |
4 |
3 |
4n |
lim |
n→∞ |
1 |
2 |
1 |
2n |
1 |
2 |
lim |
n→∞ |
1 |
4 |
3 |
4n |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
2 |
(1-
|
| ||
8 |
3 |
4 |
5 |
8 |
3 |
4 |
5 |
8 |
| ||
8 |
3 |
4 |
5 |
8 |
13 |
64 |
科目:高中數(shù)學 來源: 題型:
ax |
x2+b |
ax |
x2+b |
ax |
x2+b |
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科目:高中數(shù)學 來源: 題型:
2 |
3 |
4 |
3 |
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科目:高中數(shù)學 來源: 題型:
x2 |
a2 |
y2 |
b2 |
a |
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