x2 |
25 |
y2 |
9 |
A.(-3,0),(3,0) | B.(-4,0),(4,0) | C.(0,-4),(0,4) | D.(0,-3),(0,3) |
x2 |
25 |
y2 |
9 |
a2-b2 |
x2 |
25 |
y2 |
9 |
x2 |
m2 |
y2 |
n2 |
1 |
3 |
A.
| B.
| ||||||||
C.
| D.
|
x2 |
a2 |
y2 |
b2 |
x2 |
m2 |
y2 |
n2 |
A.①③ | B.①④ | C.②③ | D.②④ |
3 |
A.
| B.
| C.
| D.
|
x2 |
25 |
y2 |
9 |
A.
| B.
| ||||||||
C.
| D.
|
x2 |
25 |
y2 |
16 |
x2 |
6 |
y2 |
3 |
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