1 |
4 |
DM |
DN |
y |
x+2 |
y |
x-2 |
1 |
4 |
x2 |
4 |
|
3 |
4 |
16k |
1+4k2 |
12 |
1+4k2 |
DM |
DN |
3 |
4 |
16k |
1+4k2 |
12 |
1+4k2 |
DM |
DN |
(1+λ)2 |
λ |
64k2 |
3(1+4k2) |
64 | ||
3(4+
|
3 |
4 |
(1+λ)2 |
λ |
16 |
3 |
1 |
3 |
5 |
3 |
3 |
5 |
1 |
3 |
3 |
5 |
5 |
3 |
x2 |
a2 |
y2 |
b2 |
AM |
AB |
A.2
| B.4
| C.2
| D.4
|
x2 |
B |
y2 |
A |
A. | B. | C. | D. |
x2 |
5 |
y2 |
3 |
A.1条 | B.2条 | C.3条 | D.不确定 |
© 2017-2019 超级试练试题库,All Rights Reserved.