q |
q-1 |
1 |
3 |
1 |
2 |
1 |
b1 |
1 |
b2 |
1 |
bn |
m |
3 |
q |
q-1 |
q |
q-1 |
an |
an-1 |
q |
q-1 |
| ||||
1-
|
1 |
2 |
1 |
3 |
1 |
2 |
n(n+1) |
2 |
1 |
b1 |
1 |
b2 |
1 |
bn |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
n+1 |
1 |
n+1 |
1 |
n+1 |
m |
3 |
1 |
n+1 |
1 |
n+1 |
1 | ||||
|
n |
2 |
A.必有两个不等实根 | B.必有两个相等实根 |
C.必无实根 | D.以上三种情况均有可能 |
aman |
1 |
m |
1 |
n |
A.
| B.
| C.
| D.不存在 |
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