1 |
4 |
|
1 |
4 |
lim |
n→∞ |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
2 |
1 |
8 |
1 |
4 |
1 |
2 |
3 |
8 |
1 |
2 |
1 |
4 |
3 |
16 |
1 |
4 |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
2 |
lim |
n→∞ |
lim |
n→∞ |
lim |
n→∞ |
b1(1-
| ||
1-
|
b1 | ||
1-
|
1 |
4 |
an |
a1 |
an |
1 |
2 |
an |
a |
a |
a |
a1 |
a2 |
an |
a1 |
b1 |
b2 |
. |
bn |
OB |
b1 |
b2 |
bn |
lim |
n→∞ |
lim |
n→∞ |
1 |
a2n |
7 |
24 |
1 |
bn |
1 |
bn+1bn |
lim |
n→∞ |
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