圆
:
关于直线
与直线
都对称,则
=______ ,若原点在圆
外,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7147590994a622c66e031a47260a6215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b48a99b6c3582a0e62e164430e81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8a9ec2d314ebb4637c7590feca9c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f262a3cab29a42373676a46f9254fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
更新时间:2018-11-18 08:16:31
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