高中数学代数与函数一其他练习题119
题目内容

已知圆的方程为 http://picflow.koolearn.com/upload/papers/20140823/20140823171143818583.png,P是圆O上的一个动点,若OP的垂直平分线总是被平面区域 http://picflow.koolearn.com/upload/papers/20140823/20140823171143833570.png覆盖,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823171143849287.png的取值范围是(  )

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140823/20140823171143864375.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823171143896375.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823171143911471.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823171143927408.png

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