an |
λn |
3 |
λ |
lim |
n→∞ |
bn+1 |
bn |
an |
λn |
3 |
λ |
an+1 |
λn+1 |
3n+1 |
λn+1 |
an |
λn |
3n |
λn |
lim |
n→∞ |
bn+1 |
bn |
lim |
n→∞ |
2λn+2+3n+1(3-λ) |
2λn+1+3n(3-λ) |
lim |
n→∞ |
bn+1 |
bn |
lim |
n→∞ |
bn+1 |
bn |
lim |
n→∞ |
2λ+(3-λ)(
| ||||
2+
|
an |
4n |
3n |
4n |
11-3 |
4 |
8 |
9 |
6n-2 |
9 |
3n+1 |
2 |
3 |
2 |
8 |
9 |
6n-2 |
9 |
3n+1 |
2 |
3 |
2 |
11 |
18 |
3n+1 |
2 |
6n-2 |
9 |
1 |
3n+1 |
lim |
n→∞ |
A.x-y+1=0 | B.2x-y+1=0 | C.x-y-1=0 | D.x-2y+2=0 |
3 |
2π |
3 |
A.a=
| B.a=
| C.a=-
| D.a=
|
© 2017-2019 超级试练试题库,All Rights Reserved.