3 |
3 |
PF1 |
PF2 |
MA |
x2 |
4 |
| ||
4 |
y | 20 |
x | 20 |
y | 20 |
(x0+
|
(x0-
|
x | 20 |
y | 20 |
3 |
2 |
y | 20 |
1 |
2 |
PF |
PF |
3 |
3 |
x | 20 |
y | 20 |
y | 20 |
3 |
2 |
y | 20 |
1 |
2 |
3 |
2 |
y | 20 |
3 |
2 |
1 |
2 |
a |
b |
c |
0 |
a |
b |
c |
a |
b |
A.至多有一个解 | B.至少有一个解 |
C.至多有两个解 | D.可能有无数个解 |
OA |
OB |
OA |
OB |
π |
4 |
π |
4 |
π |
4 |
OA |
OB |
3 |
5 |
OA |
OB |
OC |
a |
b |
1 |
2 |
a |
b |
3 |
3 |
OF |
OA |
OB |
λ |
μ |
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