x2 |
a2 |
y2 |
b2 |
AF |
FB |
15 |
4 |
3 |
a2-b2 |
|
3 |
-
| ||
3a2+b2 |
-
| ||
3a2+b2 |
AF |
FB |
| ||
3a2+b2 |
-
| ||
3a2+b2 |
c |
a |
2 |
3 |
2 |
3 |
1+
|
2
| ||
3 |
(y1+y2)2-4y1y2 |
2
| ||
3 |
(
|
2
| ||
3 |
4
| ||
3a2+b2 |
2 | ||
|
4
| ||
3a2+b2 |
15 |
4 |
c |
a |
2 |
3 |
| ||
3 |
5 |
4 |
15 |
4 |
5 |
x2 |
9 |
y2 |
5 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
27 |
11 |
x2 |
9 |
y2 |
4 |
2 |
2 |
1 |
2 |
4
| ||
3 |
MN |
MP |
PM |
PF |
|AF| |
|BF| |
|DF| |
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