1 |
|AF| |
1 |
|BF| |
1 |
a |
1 |
|a| |
1 |
-a |
1 |
4a |
1 |
4a |
1 |
4a |
k+
| ||
2a |
k-
| ||
2a |
k2+k
| ||
2a |
1 |
4a |
k2-k
| ||
2a |
1 |
4a |
1 |
4a |
k2+1+ k
| ||
2a |
1 |
4a |
k2+1- k
| ||
2a |
1 |
|AF| |
1 |
|BF| |
-2a | ||
k2+1+ k
|
-2a | ||
k2+1- k
|
-4a(k2+1) |
(k2+1) |
A.(0,
| B.(0,
| C.(0,-
| D.(0,-
|
1 |
4 |
A.2
| B.
| C.
| D.
|
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