1 |
2 |
3 |
2 |
6
| ||
7 |
x2 |
a2 |
y2 |
b2 |
c |
a |
1 |
2 |
3 |
4 |
3 |
2 |
1 |
a2 |
| ||
|
x2 |
4 |
y2 |
3 |
3 |
2 |
3 |
2 |
1 |
2 |
1 |
2 |
3 |
2 |
|
8k2 |
3+4k2 |
4k2-12 |
3+4k2 |
(x1-x2)2+(y1-y2)2 |
(x1-x2)2+k2(x1-x2)2 |
1+k2 |
(x1-x2)2 |
1+k2 |
(x1+x2)2-4x1•x2 |
1+k2 |
|
1+k2 |
12
| ||
3+4k2 |
12(k2+1) |
3+4k2 |
|k×0-0+k| | ||
|
|k| | ||
|
1 |
2 |
1 |
2 |
12(k2+1) |
3+4k2 |
|k| | ||
|
6|k|
| ||
3+4k2 |
6
| ||
7 |
18 |
17 |
|k| | ||
|
| ||
2 |
1 |
2 |