若曲线y=
与直线y=
x+b有公共点,则b的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5ea804e9e366eb8891bdd1c0ba8017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
更新时间:2022-03-24 21:17:12
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【知识点】 由直线与圆的位置关系求参数
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【推荐2】直线x-y-k=0与圆(x-1)2+y2=2有两个不同交点的充要条件是________ .
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