OA |
OC |
AB |
OM |
AM |
CM |
BM |
1 |
2 |
OM |
AM |
OA |
OC |
AB |
OM |
AM |
BM |
CM |
OM |
AM |
CM |
BM |
y2 |
1-k |
|
1 |
2 |
1 |
2 |
1 |
2 |
OM |
AM |
(3x-4)2+9y2 |
(3x-4)2+9 [
|
|
5 |
3 |
|
| ||
2 |
OM |
AM |
| ||
2 |
a |
b |
a |
b |
a |
b |
2 |
1 |
2 |
2 |
2 |
OP |
OQ |
AB |
i |
j |
a |
i |
j |
b |
i |
j |
a |
b |
OP |
OA |
OB |
AP |
AB |
AC |
A.最大值为8 | B.是定值6 | C.最小值为2 | D.是定值2 |
OA |
OB |
OC |
OA |
OB |
1-x |
ax |
OC |
o |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
n |
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