3k2 |
1+3k2 |
AC |
CB |
1 |
k |
1 |
k |
1 |
k2 |
2 |
k |
2 |
k |
1 |
k2 |
3k2 |
1+3k2 |
2k |
1+3k2 |
AC |
CB |
AC |
CB |
-2k |
1+3k2 |
1 |
2 |
3 |
2 |
3|k| |
1+3k2 |
3|k| | ||
2
|
| ||
2 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
| ||
3 |
AF |
FB |
A.1 | B.2 | C.
| D.
|
MA |
AN |
MB |
BN |
y1-y2 |
x1-x2 |
| ||
2 |
3 |
x2 |
4 |
3 |
A.4 | B.8 | C.12 | D.16 |
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