4
| ||
3 |
4
| ||
3 |
MP |
PN |
1 |
2 |
2
| ||
3 |
2
| ||
3 |
2
| ||
3 |
2
| ||
3 |
AC |
BD |
x2 | ||
(
|
1 |
(1+λ0)2 |
2
| ||
3 |
1 |
2 |
3 |
4 |
k |
9+k2 |
3 |
4(9+k2) |
(x1+x2)2-4x1x2 |
|
|
1 |
2 |
1 |
2 |
1 |
4 |
-9(
|
1 |
t |
1 |
9 |
1 |
t |
1 |
9 |
| ||
12 |
x2 |
m |
y2 |
8 |
|
A.(1,
| B.[
| C.(1,2] | D.[2,+∞) |
x2 |
16 |
y2 |
9 |
3 |
2 |
x2 |
a2 |
y2 |
b2 |
PA |
PB |
PO |
5 |
x2 |
27 |
y2 |
36 |
15 |
A.
| B.
| C.
| D.
|
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