lim |
n→∞ |
an+c |
bn+c |
lim |
n→∞ |
bn2-c |
cn2-b |
lim |
n→∞ |
an2+c |
cn2+a |
A.2 | B.3 | C.
| D.6 |
lim |
n→∞ |
an+c |
bn+c |
lim |
n→∞ |
bn2-c |
cn2-b |
1 |
3 |
a |
c |
lim |
n→∞ |
an2+c |
cn2+a |
lim |
n→∞ |
a+
| ||
c+
|
a |
c |
lim |
n→∞ |
n2+2n | ||
2
|
lim |
n→∞ |
2n-1-an |
2n+an+1 |
lim |
n→∞ |
2n2+1 |
3n(n-1) |
A.(-1,1) | B.(-2,3) | C.(-1,2) | D.(-3,-2) |
|
A.等于0 | B.等于1 | C.等于0或1 | D.不存在 |
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