| ||
2 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
x2 |
a2 |
y2 |
b2 |
|
3 |
x2 |
4 |
x2 |
4 |
y1 |
x1+2 |
y2 |
x2-2 |
y1 |
x1+2 |
7y2 |
x2-2 |
y12(x2-2)2 |
y12(x1+2)2 |
(1-
| ||
(1-
|
(2-x1)(2-x2) |
(2+x1)(2+x2) |
4(t2-m2) |
m2+4 |
8t |
m2+4 |
3 |
2 |
8 |
3 |
|
16m2+28 |
(m2+4)2 |
16 |
9 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
x2 |
m+2 |
y2 |
3-m |
| ||
2 |
x2 |
a2 |
y2 |
b2 |
3 |
| ||
2 |
1 |
2 |
1 |
|AB| |
1 |
|CD| |
9 |
16 |
2 |
3 |
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