已知直线
与圆
相交,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a6ffe632b9484d4c97d03553a4616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a116c60be4e99078cd4c24f51c72e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
更新时间:2019-05-14 11:37:06
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相似题推荐
填空题-单空题
|
容易
(0.94)
名校
【推荐1】已知点
到直线
的距离为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60346fe11a0d9e7c3f4588039ca6c9b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f129d441ab39d195cb2580c46065d0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
填空题-单空题
|
容易
(0.94)
解题方法
【推荐2】在平面直角坐标系
中,直线
的参数方程为
(参数
),圆
的参数方程为
(参数
),则圆心到直线
的距离是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8131ae0e14e6d46986f2acc6bc0093e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dbdb02bc52881a6944d669eaa5aaeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
填空题-双空题
|
容易
(0.94)
【推荐1】已知圆
与x轴和
均相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050888438b0375132f4118c17acbfaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次