lim |
x→+∞ |
1 |
2 |
A.0 | B.
| C.1 | D.不存在 |
1 |
2 |
lim |
x→+∞ |
1 |
2 |
lim |
n→∞ |
an |
bn |
a |
an |
lim |
n→∞ |
an+bn |
(a+b)n |
lim |
n→∞ |
n3 |
2n2-1 |
n2 |
2n+1 |
lim |
n→+∞ |
1 |
n2 |
2 |
n2 |
n |
n2 |
lim |
n→+∞ |
1 |
3 |
1 |
9 |
1 |
3n-1 |
lim |
n→+∞ |
an+bn |
an+1+bn+1 |
lim |
n→∞ |
4n•2n+1 |
n•3n-1 |
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