x2 |
a2 |
y2 |
b2 |
1 |
2 |
1 |
2 |
OP |
OA |
OB |
1 |
2 |
b2 |
a |
3 |
2 |
a2-b2 |
a2 |
1 |
4 |
x2 |
4 |
y2 |
3 |
| ||
2 |
3 |
|
8km |
3+4k2 |
6m |
3+4k2 |
x02 |
4 |
y02 |
3 |
16k2m2 |
(3+4k2)2 |
12m2 |
(3+4k2)2 |
x02+y02 |
|
4-
|
1 |
2 |
3 |
4 |
3 |
3+4k2 |
3 |
| ||
2 |
3 |
| ||
2 |
2 |
x2 |
24 |
y2 |
49 |
x2 |
36 |
y2 |
64 |
x2 |
a2 |
y2 |
b2 |
| ||
3 |
3 |
3 |
x2 |
4 |
y2 |
9 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
| ||
2 |
PF1 |
PF2 |
3 |
4 |
6 |
5 |
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