A.-2 | B.-1 | C.0 | D.1 |
|
4 |
k2 |
y1 |
x1-1 |
y2 |
x2-1 |
k(x1+1) |
x1-1 |
k(x2+1) |
x2-1 |
k(2x1x2-2) |
(x1-1)(x2-1) |
k(2-2) |
(x1-1)(x2-1) |
x2 |
16 |
y2 |
4 |
AF |
FB |
A.1 | B.
| C.
| D.2 |
AE |
AF |
EP |
OA |
FO |
OP |
A.y2=4x | B.y2=4x(x≠0) | C.y2=-4x | D.y2=-4x(x≠0) |
3 |
4 |
A.0 | B.1 | C.2 | D.3 |
2 |
2 |
MQ |
QF |
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