x2 |
a2 |
PF1 |
PF2 |
F1P |
F2P |
PF1 |
PF2 |
a2-1 |
a2 |
x2 |
2 |
x2 |
2 |
4k2 |
2k2+1 |
2k2-2 |
2k2+1 |
-2k |
2k2+1 |
2k2 |
2k2+1 |
k |
2k2+1 |
4k2 |
2k2+1 |
-2k |
2k2+1 |
m |
1-2m |
m |
1-2m |
1 |
2 |
x2 |
m |
y2 |
8-m |
AB |
FN |
x2 |
a2 |
y2 |
b2 |
FB1 |
FB2 |
|DP| |
|MN| |
2 |
2 |
AM |
AN |
2 |
x2 |
a2 |
y2 |
b2 |
. |
FA1 |
FA2 |
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