1 |
xA |
1 |
xB |
1 |
xC |
1 |
xA |
1 |
xB |
1 |
xC |
|
|
|
1 |
xA |
1 |
xB |
1 |
2 |
1 |
2 |
1 |
xC |
1 |
2 |
∫ | 2-1 |
x2 |
2 |
x3 |
3 |
| | 2-1 |
8 |
3 |
1 |
2 |
1 |
3 |
9 |
2 |
1 |
xA |
1 |
xB |
1 |
xC |
|
b |
k |
1 |
xA |
1 |
xB |
xA+xB |
xAxB |
k |
-b |
k |
b |
1 |
xC |
1 | ||
-
|
k |
b |
x2 |
m |
y2 |
n |
A.
| B.x±
| C.3x±y=0 | D.x±3y=0 |
x2 |
a2 |
y2 |
b2 |
3 |
2 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
DF2 |
F2E |
x2 |
a2 |
y2 |
b2 |
3 |
2 |
3 |
2 |
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