x2 |
a2 |
y2 |
b2 |
x2 |
a2 |
y2 |
b2 |
OA |
OB |
2 |
3 |
3 |
4 |
2 |
x2 |
2 |
|m| | ||
|
x2 |
2 |
|
OA |
OB |
2(m2-1) |
2k2+1 |
4k2m2 |
2k2+1 |
2 |
3 |
3 |
4 |
2 |
3 |
k2 +1 |
2k2+1 |
3 |
4 |
1 |
2 |
| ||
2 |
| ||
2 |
4km |
2k2+1 |
2(m2-1) |
2k2+1 |
16k2(k2+1) |
(2k2+1)2 |
8k2 |
2k2+1 |
8k2 |
(2k2+1)2 |
2 |
(2k2+1)2 |
1 |
4 |
1 |
4 |
2 |
(2k2+1)2 |
1 |
2 |
2 |
9 |
2 |
(2k2+1)2 |
1 |
2 |
3 |
2 |
2 |
(2k2+1)2 |
16 |
9 |
3 |
8 |
1 |
4 |
2 |
(2k2+1)2 |
4 |
9 |
3 |
8 |
4 |
9 |
| ||
4 |
2 |
3 |
| ||
4 |
2 |
3 |
x2 |
a2 |
y2 |
b2 |
2
| ||
3 |
2 |
x2 |
a2 |
y2 |
b2 |
2 |
S2(x) |
x+3 |
x2 |
a2 |
y2 |
b2 |
A.
| B.
| C.
| D.
|
x2 |
a2 |
y2 |
b2 |
2π |
3 |
A.
| B.
| C.
| D.
|
2 |
OA |
OB |
OC |
0 |
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