x2 |
a2 |
y2 |
b2 |
x2 |
2b2 |
y2 |
b2 |
22 |
4b2 |
1 |
b2 |
2 |
2 |
x2 |
8 |
y2 |
2 |
y-1 |
x-2 |
y+1 |
x+2 |
y-1 |
x-2 |
y+1 |
x+2 |
y2-1 |
x2-4 |
x2 |
8 |
y2 |
2 |
y2-1 |
x2-4 |
y2-1 |
8-4y2-4 |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
2 |
|
|
1+k2 |
1+(
|
(x1+x2)2-4x1x2 |
|
4t2-4(2t2-4) |
5 |
4-t2 |
|t| | ||||
|
2|t| | ||
|
1 |
2 |
1 |
2 |
5 |
4-t2 |
2|t| | ||
|
4-t2 |
t2(4-t2) |
4 |
2 |
1 |
2 |
2 |
y2 |
3 |
x2 |
a2 |
y2 |
2 |
| ||
2 |
OP |
OM |
ON |
1 |
2 |
y | 20 |
x2 |
a2 |
y2 |
b2 |
| ||
3 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
2 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
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