阿波罗尼斯证明过这样一个命题:平面内到两定点距离之比为常数的点的轨迹是圆,后人将这个圆称为阿波罗尼斯圆.若平面内两定点A,B间的距离为3,动点
满足
,则
的范围为__________ .
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20-21高三下·上海闵行·开学考试 查看更多[2]
更新时间:2023-02-15 21:08:41
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