y2 |
a2 |
a2-1 |
AP |
AQ |
a2(a+c)2-1 |
2-c2 |
1 |
3 |
1 |
2 |
2mc |
a2+m2 |
-1 |
a2+m2 |
-2a2c |
a2+m2 |
a2(c2-m2) |
a2+m2 |
AP |
AQ |
AP |
AQ |
a2(a+c)2-1 |
2-c2 |
1 |
3 |
| ||
3 |
1 |
3 |
1 |
2 |
1 |
9 |
1 |
4 |
1 |
9 |
a2-1 |
a2 |
1 |
4 |
9 |
8 |
4 |
3 |
1 |
3 |
3 |
4 |
| ||
2 |
| ||
3 |
| ||
3 |
| ||
2 |
a |
3 |
2 |
3 |
2 |
b |
x |
2 |
x |
2 |
π |
2 |
a |
b |
a |
b |
a |
b |
3 |
2 |
AB |
3 |
AC |
AB |
AC |
AB |
AC |
BC |
a |
b |
a |
b |
A.λ∈(0,
| B.λ∈(-
| ||||||
C.λ∈(-∞,0)∪(
| D.λ∈(-∞,-
|
AD |
AC |
A.0 | B.4 | C.8 | D.-4 |
a |
1 |
2 |
| ||
2 |
b |
a |
b |
| ||
2 |
b |
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