x2 |
24 |
y2 |
12 |
|GF| |
|GP| |
1 |
2 |
x2 |
24 |
y2 |
12 |
15 |
15 |
15 |
| ||
2 |
16-(
|
|GF| |
|GP| |
1 |
2 |
| ||||
|
1 |
2 |
|
A.(x+1)2+y2=2 | B.(x+1)2+y2=4 | C.(x-1)2+y2=2 | D.(x-1)2+y2=4 |
5 |
A.x2+y2+2x+4y=0 | B.x2+y2+2x-4y=0 |
C.x2+y2-2x+4y=0 | D.x2+y2-2x-4y=0 |
3 |
t+3 |
t-3 |
1 |
4 |
A.(-1,
| B.(1,-
| C.(1,-
| D.(-1,
|
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