x2 |
9 |
y2 |
4 |
AP |
PB |
x2 |
9 |
y2 |
4 |
|AP| |
|PB| |
|AP| |
|PB| |
3-2 |
3+2 |
1 |
5 |
AP |
PB |
1 |
5 |
1 |
5 |
x2 |
9 |
y2 |
b2 |
BF |
AF |
A.2
| B.
| C.
| D.
|
A.e与x0一一对应 |
B.函数e(x0)无最小值,有最大值 |
C.函数e(x0)是增函数 |
D.函数e(x0)有最小值,无最大值 |
x2 |
a2 |
y2 |
b2 |
AC |
BC |
OC |
OB |
BC |
BA |
A.
| B.
| C.
| D.
|
A.(0,
| B.(
| C.(
| D.(
|
A.相离 | B.相交 | C.内切 | D.无法确定 |
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