| ||
2 |
| ||
2 |
2 |
AM |
MB |
NM |
NA |
NB |
(x-
|
|x+y+
| ||
|
2 |
2 |
2 |
2 |
2 |
2 |
| ||
2 |
| ||
2 |
2 |
|
| ||||||||||
|
4 |
k |
AM |
MB |
y1 |
y2 |
NA |
NB |
NM |
NM |
NA |
NB |
y12 |
4 |
y1 |
y2 |
y22 |
4 |
y1 |
y2 |
y1y2+4m |
4y2 |
-4m+4m |
4y2 |
AM |
MB |
NM |
NA |
NB |
a |
b |
a |
b |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.
| B.
| C.
| D.
|
a |
b |
a |
b |
A.t=-4 | B.t=-1 | C.t=1 | D.t=4 |
i |
j |
j |
i |
i |
i |
j |
A.
| B.
| C.
| D.
|
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