x2 |
a2 |
y2 |
b2 |
1 |
2 |
3 |
2 |
4
| ||
3 |
x2 |
a2 |
y2 |
b2 |
b |
a |
|
m |
3 |
(1+4)[(y1+y2)2-4y1y2] |
5[42-4×(3-
|
4
| ||
3 |
x2-9 |
A1P |
OM |
A2P |
OM |
A1P |
A2P |
x2 |
16 |
y2 |
4 |
A.x+4y-5=0 | B.x-4y-5=0 | C.4x+y-5=0 | D.4x-y-5=0 |
x2 |
a2 |
y2 |
b2 |
5 |
|PQ| |
|PM| |
|PQ| |
|PN| |
x2 |
4 |
y2 |
3 |
π |
3 |
x2 |
3 |
π |
4 |
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