x2 |
m2+12 |
y2 |
4-m2 |
m2+12+4-m2 |
m2+12 |
16 |
m2+12 |
1 |
16 |
1 |
m2+12 |
1 |
12 |
16 |
m2+12 |
4 |
3 |
|
2 |
3 |
3 |
2 |
3 |
3 |
2 |
3 |
3 |
x2 |
4 |
y2 |
9 |
A.y=±
| B.y=±
| C.y=±
| D.y=±
|
PF1 |
PF2 |
PF1 |
PF2 |
A.2 | B.
| C.1 | D.
|
x2 |
a2 |
y2 |
b2 |
x2 |
25 |
y2 |
9 |
A.3x±4y=0 | B.4x±3y=0 | C.3x±5y=0 | D.5x±3y=0 |
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