lim |
n→∞ |
1 |
nα |
lim |
n→∞ |
lim |
n→∞ |
1-2n |
2n+1 |
lim |
n→∞ |
A.2 | B.3 | C.4 | D.都不正确 |
1 |
nα |
lim |
n→∞ |
1 |
nα |
lim |
n→∞ |
|
lim |
n→∞ |
1-2n |
2n+1 |
lim |
n→∞ |
| ||
1+
|
lim |
n→∞ |
A.若
| ||||||
B.若an>0,
| ||||||
C.若
| ||||||
D.若
|
1•2 |
2•3 |
n(n+1) |
n(n+1) |
2 |
(n+1)2 |
2 |
an |
n(n+1) |
lim |
n→∞ |
1 |
2 |
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→∞ |
n2+2n | ||
2
|
lim |
n→∞ |
2n-1-an |
2n+an+1 |
© 2017-2019 超级试练试题库,All Rights Reserved.