题目
题型:不详难度:来源:
x2 |
2 |
3 |
答案
x2 |
2 |
3 |
3 |
(1)设圆锥曲线为椭圆:
x2 |
a2 |
y2 |
b2 |
则
|
|
椭圆方程为:
x2 |
9 |
y2 |
6 |
(2)设圆锥曲线为双曲线
x2 |
p2 |
y2 |
q2 |
则
|
|
双曲线方程为:x2-
y2 |
2 |
核心考点
举一反三
x2 |
k-4 |
y2 |
10-k |
x2 |
k-7 |
y2 |
k-12 |
x2 |
a+1 |
y2 |
3-a |
x2 |
2 |
3 |
x2 |
2 |
3 |
3 |
x2 |
a2 |
y2 |
b2 |
|
|
x2 |
9 |
y2 |
6 |
x2 |
p2 |
y2 |
q2 |
|
|
y2 |
2 |
x2 |
k-4 |
y2 |
10-k |
x2 |
k-7 |
y2 |
k-12 |
x2 |
a+1 |
y2 |
3-a |