AB |
BQ |
BC |
1 |
2 |
CQ |
AB |
BC |
CQ |
BQ |
AB |
BQ |
BC |
1 |
2 |
CQ |
|
|
4-6k2 |
k2 |
y1 |
x1-3 |
y2 |
x2-3 |
y1(x2-3)+y2(x1-3) |
(x1-3)(x2-3) |
k(x1+3)(x2-3)+k(x2+3)(x1-3) |
x1x2-3(x1+x2)+9 |
2k(x1x2-9) |
x1x2-3(x1+x2)-9 |
2k(9-9) |
x1x2-3(x1+x2)-9 |
x2 |
36 |
y2 |
9 |
1 |
3 |
x2 |
2 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
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