在
中,
,
.
(1)求
的长;
(2)设
是平面
内一动点,且满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836656903472b8c20a2ddd5413474f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faf43f9a927c34700dfb17c034ac8da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1a305636cbc4c905af9401b609a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c856d32622f7af800b7cd6e923fceb4.png)
2018·山东济南·二模 查看更多[5]
【全国省级联考】山东省济南省2018届高三第二次模拟考试数学(文)试题(已下线)2017-2018学年度下学期高中期末备考 【浙江版】高一【精准复习模拟题】 基础卷02【教师版】福建省厦门市双十中学2018-2019学年高一下学期第一次月考数学试题(已下线)专题21 三角形中的最值与范围问题,你处理好了吗-备战2022年高考数学一轮复习一网打尽之重点难点突破山东省济宁市泗水县2021-2022学年高一下学期期中考试数学试题
更新时间:2018-06-27 10:23:32
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【推荐1】已知关于
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(1)若
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(2)存在唯一的实数
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【推荐2】已知
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(2)求函数
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【推荐1】在
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(2)若
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(2)若
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【推荐2】在△ABC中,内角A,B,C所对的边分别为a,b,c.已知
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