x2 |
a2 |
y2 |
b2 |
F1A |
AB |
A.3x±y=0 | B.x±3y=0 | C.2x±3y=0 | D.3x±2y=0 |
b |
a |
-ac |
a+b |
bc |
a+b |
ac |
b-a |
bc |
b-a |
F1A |
AB |
-ac |
a+b |
-c+
| ||
2 |
π |
4 |
π |
3 |
x2 |
a2 |
y2 |
b2 |
A.
| B.1+
| C.2
| D.2+
|
x2 |
a2 |
y2 |
b2 |
2
| ||
3 |
| ||
2 |
OM |
ON |
| ||
2 |
x2 |
a2 |
y2 |
b2 |
A.
| B.
| C.
| D.
|
x2 |
a2 |
y2 |
b2 |
A.(1,+∞) | B.(1,
| C.(1,2) | D.(1,1+
|
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