4
| ||
3 |
(x-0)2+(y-2)2 |
(xQ-0)2+(0-2)2 |
x2+(y-2)2 |
(
|
y-2 |
x-0 |
0-2 |
xQ-0 |
-2x |
y-2 |
4x2 |
(y-2)2 |
x2+(y-2)2 |
(y-2)2 |
1 |
4 |
1 |
4 |
|y-2| |
2 |
1 |
2 |
7 |
2 |
7 |
4 |
1 |
16 |
1 |
2 |
3 |
2 |
3 |
2 |
7 |
4 |
1 |
16 |
3 |
2 |
7 |
4 |
1 |
16 |
4
| ||
3 |
1 |
2 |
2
| ||
3 |
8 |
9 |
8 |
9 |
1 |
9 |
1 | ||
|
1 |
9 |
5 |
5 |
1 |
2 |
|ST| |
|SP| |
|ST| |
|SQ| |
4 |
5 |
4 |
5 |
A.(x-1)2+y2=4 | B.(x-1)2+y2=2 | C.y2=2x | D.y2=-2x |
PM |
PB |
CM |
CB |
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