4 |
5 |
4 |
5 |
|
5 |
4 |
x2 |
25 |
y2 |
16 |
4 |
5 |
4 |
5 |
4 |
5 |
x2 |
25 |
(x-3)2 |
25 |
3-
| ||
2 |
3+
| ||
2 |
(x1-x2)2+(y1-y2)2 |
(1+
|
|
41 |
5 |
A.(x-1)2+y2=4 | B.(x-1)2+y2=2 | C.y2=2x | D.y2=-2x |
PM |
PB |
CM |
CB |
16 |
5 |
9 |
5 |
5 |
3 |
x2 |
a2 |
y2 |
b2 |
A.x2+y2=a2 | B.x2+y2=b2 | C.x2-y2=a2 | D.x2-y2=b2 |
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