x |
2 |
1 |
2i |
1 |
2i-1 |
1 |
2 |
1 |
4 |
1 |
2i |
1 |
2i |
1 |
2i-1 |
lim |
n→∞ |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
4 |
1 |
2i |
1 |
2i |
1 |
2i |
1 |
2i-1 |
1 |
2i-1 |
1 |
2 |
1 |
8 |
1 |
22i-1 |
1 |
2 |
1 |
4 |
lim |
n→∞ |
lim |
n→∞ |
| ||||
1-
|
| ||
|
2 |
3 |
lim |
n→∞ |
Sn+1 |
Sn+1-3 |
A.-2 | B.-
| C.-
| D.1 |
lim |
n→∞ |
Sn |
Sn′ |
x |
1 |
x |
15 |
2 |
lim |
n→∞ |
1 |
x |
1 |
x2 |
1 |
xn |
a1+2a2+3a3+…+nan |
1+2+3+…+n |
qx |
qx+p-1 |
lim |
n→∞ |
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