若在圆C:
上存在一点P,使得过点P作圆M:
的切线长为
,则r的取值范围为__________ .
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22-23高三下·安徽亳州·开学考试 查看更多[4]
安徽省亳州市蒙城第一中学2023届高三下学期开学考试数学试题山西省三重教育2023届高三下学期2月联考数学试题山西省朔州市怀仁市第一中学校2023届高三下学期2月月考数学试题(已下线)第04讲 直线与圆、圆与圆的位置关系(九大题型)(讲义)-1
更新时间:2023-02-23 15:05:01
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