x2 |
4 |
1 |
2 |
OP |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
5 |
8 |
OP |
1 |
2 |
OA |
OB |
1 |
2 |
k(16k-4) |
4k2-1 |
k(16k-4) |
4k2-1 |
1 |
2 |
|
x2 |
a2 |
y2 |
b2 |
F1F2 |
NF1 |
F1F2 |
NA |
NB |
1 |
5 |
1 |
3 |
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 |
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