1 |
n(n+1) |
lim |
n→∞ |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
1 |
1×2 |
1 |
2×3 |
1 |
n(n+1) |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
n+1 |
1 |
n+1 |
n |
n+1 |
lim |
n→∞ |
lim |
n→∞ |
n |
n+1 |
lim |
n→∞ |
1 | ||
1+
|
lim |
n→∞ |
3n |
3n+1+an |
1 |
3 |
lim |
n→∞ |
3 |
π |
2 |
P1P2 |
P2P3 |
P2P3 |
P3P4 |
P3P4 |
P4P5 |
P4P5 |
P5P6 |
PnPn+1 |
pn+1pn+2 |
lim |
n→∞ |
Sn |
1+(-2)n |
lim |
n→∞ |
1 |
3 |
1 |
4 |
1 |
5 |
1 |
n+2 |
lim |
n→∞ |
1 |
2 |
1 |
3 |
1 |
n+1 |
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