x2 |
a2 |
y2 |
b2 |
F1F2 |
NF1 |
F1F2 |
NA |
NB |
1 |
5 |
1 |
3 |
F1F2 |
NF1 |
F1F2 |
|
|
x2 |
2 |
NA |
NB |
|
1 |
k |
2k2+1 |
k2 |
4 |
k |
|
| ||
2 |
|
NA |
NB |
|
|
(1+λ)2 |
λ |
8 |
2k2+1 |
(1+λ)2 |
λ |
1 |
5 |
1 |
3 |
1 |
5 |
1 |
3 |
(1+λ1)2 |
λ1 |
(1+λ2)2 |
λ2 |
1 |
λ1λ2 |
1 |
5 |
1 |
3 |
1 |
3 |
1 |
5 |
16 |
3 |
36 |
5 |
16 |
3 |
8 |
2k2+1 |
36 |
5 |
1 |
2 |
| ||
6 |
| ||
6 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
6 |
| ||
6 |
1 |
2 |
1 |
4 |
1 |
4 |
|p0| |
2 |
1 |
4 |
p | 21 |
1 |
4 |
|p1| |
2 |
1 |
4 |
5 |
4 |
A.充分不必要条件 | B.必要不充分条件 |
C.充分且必要条件 | D.既不充分也不必要条件 |
x2 |
4 |
y2 |
2 |
A.[-2,2] | B.[-1,1] | C.[-
| D.(-∞,-
|
x2 |
3 |
A.-2 | B.2 | C.-4 | D.4 |
x2 |
4 |
OM |
2 |
3 |
OA |
1 |
3 |
OB |
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