x2 |
a2 |
y2 |
b2 |
. |
AB |
. |
OM |
c2 |
a2 |
y02 |
b2 |
b2 |
a |
b2 |
a |
. |
AB |
. |
OM |
|MF1| |
|OB| |
|OF1| |
|AO| |
| ||
b |
c |
a |
| ||
2 |
c |
a |
| ||
2 |
| ||
2 |
x2 |
49 |
y2 |
24 |
x2 |
a2 |
y2 |
b2 |
2 |
3 |
A.
| B.
| C.
| D.
|
x2 |
m2 |
y2 |
n2 |
x2 |
25 |
y2 |
m |
A.-16 | B.-4 | C.16 | D.4 |
x2 |
a2 |
y2 |
b2 |
4 |
5 |
5 |
A.(0,
| B.(0,
| C.(0,
| D.(0,
|
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