1 . 已知直线
关于直线
对称的直线
被圆
截得的弦长为
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b52225495c565f7d6b435a9bd3faa09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.4 | B.![]() | C.8 | D.![]() |
您最近一年使用:0次
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2 . 已知点
,
和直线
,动点
在直线
上,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793897fa7ca176735f642135b37992be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba403636a25af13e4f99f323cdfcd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa3227349546a6cc56ab8a3c3ee3057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28965097a2c8f6872accc5ba80f44dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64f462ecd931af7043e4cf3f8758f45.png)
您最近一年使用:0次
2021-01-03更新
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733次组卷
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5卷引用:福建省晋江市第一中学2023-2024学年高二上学期期中考试数学试题