已知曲线C:
.
(1)当m为何值时,曲线C表示圆?
(2)若直线l:
与圆C相切,求m的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ae1d1b5bb83783e45e9e156d4d0461.png)
(1)当m为何值时,曲线C表示圆?
(2)若直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d336069ba6b059802ce93406e47d2327.png)
更新时间:2022-12-17 21:56:49
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【推荐1】已知直线
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【推荐2】已知圆C:
,圆C与x轴交于A,B两点.
(1)求直线y=x被圆C所截得的弦长;
(2)圆M过点A,B,且圆心在直线y=x+1上,求圆M的方程.
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(1)求直线y=x被圆C所截得的弦长;
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【推荐1】已知动点M到点
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【推荐2】设命题p:方程
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(1)若命题p为真命题,求实数a取值范围;
(2)若命题“
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(1)若命题p为真命题,求实数a取值范围;
(2)若命题“
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【推荐1】在平面直角坐标系
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(I)写出曲线
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分别在曲线
,
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两点间距离的最小值为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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(I)写出曲线
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(II)设点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】已知两直线
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c7fd5260d032147131fc0497af357e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c7fd5260d032147131fc0497af357e.png)
(1)求直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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(2)若过点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd54cd59d1f741fd70554c228bdd836c.png)
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(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f64c4a554aafb3ae8a21cafc5d3010e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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