x2 |
a2 |
y2 |
b2 |
A.3 | B.
| C.2 | D.
|
b2 |
a |
b2 |
a |
c |
a |
x2 |
a2 |
y2 |
9 |
A.4 | B.3 | C.2 | D.1 |
x2 |
a2 |
y2 |
32 |
A.2 | B.
| C.
| D.1 |
x2 |
a2 |
y2 |
b2 |
3 |
A.y=±
| B.y=±2x | C.y=±
| D.y=±
|
x2 |
4 |
y2 |
12 |
A.2
| B.2 | C.
| D.1 |
x2 |
6 |
y2 |
3 |
A.(x-
| B.(x-3)2+y2=3 | C.(x-
| D.(x-3)2+y2=9 |
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