已知点
到直线
的距离等于1,则实数
等于____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6114ce586d4468f1b83c85bf029ba625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1183bd676a8674dea641ae407fa7023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-11-09 15:27:56
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【知识点】 已知点到直线距离求参数
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【推荐1】抛物线的顶点在原点,焦点在x轴上,其上有一点
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解题方法
【推荐2】双曲线
在左支上一点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
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