2 |
3 |
x2 |
4-b2 |
y2 |
b2 |
2 |
3 |
y2 |
3 |
y0 |
x0+1 |
y0 |
x0-2 |
2kPA |
1-kPA2 |
2(x0+1)y0 |
(x0+1)2-y02 |
x | 20 |
1 |
3 |
y | 20 |
2y0 |
x0+1-3(x0-1) |
y0 |
x0-2 |
π |
2 |
π |
2 |
2π |
3 |
π |
4 |
π |
4 |
π |
3 |
x2 |
a2 |
y2 |
b2 |
3 |
A.
| B.
| ||||||||
C.
| D.
|
OA |
OB |
A.3 | B.-3 | C.12 | D.-12 |
BP |
PA |
OQ |
AB |
A.3x2+
| B.3x2-
| ||||
C.
| D.
|
3 |
A.
| B.2
| C.4 | D.8 |
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