lim |
n→∞ |
1 |
a2 |
1 |
a3 |
1 |
an |
C | 2n |
1 |
2 |
1 |
an |
2 |
n(n-1) |
2 |
n-1 |
2 |
n |
lim |
n→∞ |
1 |
a2 |
1 |
a3 |
1 |
an |
lim |
n→∞ |
2 |
1 |
2 |
2 |
2 |
2 |
2 |
3 |
2 |
n-1 |
2 |
n |
lim |
n→∞ |
2 |
n |
lim |
n→∞ |
1 |
a1 |
lim |
n→+∞ |
7n+4 |
3n-5 |
lim |
n→∞ |
f(1)+f(2)+…f(n) |
n2 |
lim |
n→∞ |
n2+1 |
n+1 |
a |
3 |
b-1 |
2 |
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