3 |
OE |
ON |
x |
a |
y |
b |
|
x2 |
4 |
x2 |
4 |
3 |
|
3 |
y1+y2 |
2 |
| ||
m2+4 |
3 |
| ||
m2+4 |
| ||||
m2+4 |
4
| ||
m2+4 |
4
| ||
m2+4 |
| ||
m2+4 |
OE |
ON |
8
| ||
m2+4 |
2
| ||
m2+4 |
48 |
(m2+4)2 |
12m2 |
(m2+4)2 |
2 |
3 |
x2 |
a2 |
y2 |
b2 |
F1Q |
PT |
TF2 |
TF2 |
| ||
2 |
x2 |
4 |
y2 |
12 |
A.|k|≥1 | B.|k|>
| C.|k|≤
| D.|k|<1 |
5 |
3 |
OA |
OB |
1 |
2 |
3 |
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