已知点
是圆
:
上任意一点,曲线
:
与
轴交于
,
两点,直线
与曲线
交于点
,记直线
,
,
的斜率分别为
,
,
,则
的取值范围是___________ .
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20-21高三上·安徽合肥·阶段练习 查看更多[2]
更新时间:2021-11-11 20:16:04
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【推荐2】我们通常称离心率为
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