x2 |
m2 |
y2 |
n2 |
3 |
2 |
PF1 |
PF2 |
x2 |
a2 |
y2 |
b2 |
3 |
2 |
1 |
m2 |
| ||
n2 |
x2 |
4 |
y2 |
3 |
x2 |
3 |
y2 |
4 |
x2 |
a2 |
y2 |
b2 |
x12 |
a2 |
y12 |
b2 |
x02 |
a2 |
y02 |
b2 |
(y1-y0)(y1+y0) |
(x1-x0)(x1+x0) |
b2 |
a2 |
b2 |
a2 |
m |
n |
(y1-y0)(y1+y0) |
(x1-x0)(x1+x0) |
m |
n |
m |
n |
A.
| B.10、2 | C.5、1 | D.6、4 |
| ||
2 |
3 |
2 |
7 |
x2 |
25 |
y2 |
9 |
OQ |
1 |
2 |
OP |
OF |
OQ |
A.6 | B.4 | C.3 | D.
|
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