| ||
2 |
x2 |
a2 |
y2 |
b2 |
c |
a |
| ||
2 |
3 |
x2 |
4 |
|
8km |
1+4k2 |
4(m2-1) |
1+4k2 |
PA |
PB |
4(m2-1) |
1+4k2 |
-8km |
1+4k2 |
6 |
5 |
6 |
5 |
6 |
5 |
6 |
5 |
6 |
5 |
6 |
5 |
4 |
5 |
6 |
5 |
4 |
5 |
PA |
PB |
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
6 |
5 |
x2 |
a2 |
y2 |
b2 |
x2 |
a2 |
y2 |
b2 |
3 |
2 |
1 |
2 |
1 |
2 |
x2 |
a2 |
y2 |
b2 |
OA |
OB |
10 |
x2 |
a2 |
y2 |
b2 |
5 |
9x2 |
a2 |
y2 |
b2 |
9x2 |
2a2 |
4y2 |
b2 |
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