经过点
作直线
,若直线
与过
的线段总没有公共点,则直线
斜率的取值范围是_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df468553b761dba31a9de885aaa49bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a76b4d696cd1a57f2fde64f2a80529c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
更新时间:2019-11-05 15:26:45
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