太极图被称为“中华第一图”.从孔庙大成殿梁柱,到楼观台、三茅宫标记物;从道袍、卦摊、中医、气功、武术到南韩国旗……,太极图无不跃居其上.这种广为人知的太极图,其形状如阴阳两鱼互抱在一起,因而被称为“阴阳鱼太极图”.在如图所示的阴阳鱼图案中,阴影部分可表示为
或
,设点
,则
的最大值与最小值之和是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/ce74f152-5d2c-47d9-b2dd-f8e6b04f8723.png?resizew=182)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd48f6aff9b27a4738389118271fbaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d51914f2393c51bc6cc3ae506fe3a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d23a763c3b5e86395a873664c0f363c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4489516aca67a6afe53fac2f1477f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/ce74f152-5d2c-47d9-b2dd-f8e6b04f8723.png?resizew=182)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-05-29 12:54:52
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解题方法
【推荐1】已知圆
的圆心为
,过点
的直线
交圆
于
、
两点,过点
作
的平行线,交直线
于点
,则点
的轨迹为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f239a5dc7be8fe24e95ba4054a74f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71aaa01381100a436c9ba055d8e5e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.直线 | B.圆 | C.椭圆 | D.双曲线 |
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单选题
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适中
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【推荐2】已知圆
,
为圆
上一动点,过点
作圆
的切线交线段
为坐标原点)的垂直平分线于点
,则点
到原点的距离的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6452388415e22b4c34aca3bce2f97e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4b108bbe1635a52ca8ee15b7bd8b02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次