y2 |
3 |
π |
6 |
π |
6 |
| ||
3 |
| ||
3 |
1+k2 |
| ||
8 |
(x1+x2)2-4x1x2 |
3 |
2 |
3 |
3 |
3 |
A.e2<e1<e3<e4 | B.e2<e1<e4<e3 |
C.e1<e2<e3<e4 | D.e1<e2<e4<e3 |
x2 |
a2 |
y2 |
b2 |
PFz |
PF2 |
x2 |
4 |
A.1条 | B.2条 | C.3条 | D.4条 |
x2 |
a2 |
y2 |
b2 |
PM |
PN |
A.
| B.
| C.
| D.
|
A.x=±1 | B.y=±
| C.y=±x | D.y=±
|
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