x2 |
a2 |
y2 |
b2 |
| ||
5 |
2
| ||
5 |
1 |
|AB| |
λ |
|CD| |
c | ||
|
| ||
5 |
c |
a |
2
| ||
5 |
5 |
x2 |
5 |
|
20k2 |
1+5k2 |
20k2-5 |
1+5k2 |
1+k2 |
1+k2 |
(x1+x2)2-4x1x2 |
2
| ||
1+5k2 |
|
4k2+8 |
k |
8(k2+1) |
k2 |
1 |
|AB| |
λ |
|CD| |
1+5k2 | ||
2
|
λk2 | ||
8
|
(20+
| ||
8
|
1 |
|AB| |
λ |
|CD| |
5 |
16
| ||
5 |
16
| ||
5 |
1 |
|AB| |
λ |
|CD| |
| ||
2 |
| ||
2 |
1 |
2 |
3 |
y2 |
4 |
x2 |
2 |
6 |
a2 |
c |
π |
4 |
2 |
|
x2 |
2 |
1 |
k1 |
3 |
k2 |
A.2 | B.
| C.-
| D.-2 |
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