y2 |
m |
| ||
2 |
OA |
OB |
OP |
PA |
PB |
3 |
c |
a |
| ||
|
| ||
2 |
y2 |
4 |
PA |
PB |
AB |
3 |
|
6k |
4+k2 |
5 |
4+k2 |
PA |
PB |
AB |
1+k2 |
(x1+x2)2-4x1x2 |
4
| ||
4+k2 |
4
| ||
4+k2 |
3 |
16 |
13 |
OA |
OB |
OP |
6k |
4+k2 |
24 |
4+k2 |
x1+x2 |
λ |
6k |
λ(4+k2) |
y1+y2 |
λ |
24 |
λ(4+k2) |
x | 20 |
y02 |
4 |
36 |
4+k2 |
3 |
3 |
3 |
3 |
x2 |
a2 |
y2 |
b2 |
3 |
2 |
1 |
2 |
1 |
2 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
π |
3 |
x2 |
2 |
17 |
4 |
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