19-20高二·浙江·期末
解题方法
1 . 在下列条件下求双曲线标准方程.
(1)经过两点
,
;
(2)焦点在
轴上,双曲线上点到两焦点距离之差的绝对值为
,且经过点
.
(1)经过两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226ea8719db9be50c83d198ded8b3d8a.png)
(2)焦点在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c3822b7812e711b4ad86647b15dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1be9a704175b9d0007658873704d5b1.png)
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