x2 |
a2 |
y2 |
b2 |
PF1 |
PF2 |
| ||
3 |
PF1 |
PF2 |
| ||
3 |
3 |
c |
a |
2 | ||
|
3 |
3 |
x2 |
a2 |
y2 |
b2 |
π |
3 |
| ||
3 |
5 |
4 |
MA |
MB |
A.
| B.
| C.
| D.
|
A.5,3,
| B.10,6,
| C.5,3,
| D.10,6,
|
x2 |
a2 |
y2 |
b2 |
1 |
2 |
A.
| B.
| C.
| D.
|
| ||
2 |
x2 |
a2 |
y2 |
b2 |
A.一定是“黄金椭圆” | B.一定不是“黄金椭圆” |
C.可能是“黄金椭圆” | D.可能不是“黄金椭圆” |
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