已知向量
在正方形网格中的位置如图所示,若网格中每个小正方形边长为1,
.
;
(2)若
,求m值;
(3)若
与
的夹角为钝角,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52cc33f2d63b6e908f515ad3a523d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c452001ea4f4218ecddf540878b42ac3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e524977388a267d54a51cd2cb133cf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
22-23高一下·北京怀柔·期末 查看更多[4]
北京市怀柔区2022-2023学年高一下学期期末数学试题(已下线)专题02 平面向量的坐标运算及平行、垂直关系4种常考题型归类-《期末真题分类汇编》(北京专用)【北京专用】专题05平面向量(第一部分)-高一下学期名校期末好题汇编北京市怀柔区2022-2023学年高一下学期期末考试数学试题
更新时间:2023-08-04 22:22:53
|
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【推荐1】在条件:①
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且
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
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(注意:选择多个条件时,按你第一个选择结果给分.)
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适中
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【推荐2】在平面直角坐标系中,已知
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(1)若
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(1)若
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(2)若
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适中
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名校
【推荐1】已知向量
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(1)求
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(2)若
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适中
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【推荐2】在△
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81957ac52f6354213be9b2c3beb7ea54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
(Ⅱ)求证:
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适中
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【推荐1】设
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适中
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【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b3e2be40b9fb85df77aad1242325e3.png)
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解题方法
【推荐1】已知椭圆
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解题方法
【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3b4342269bd9d9b232a27fefb7df69.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf36d6c7ecd9fb710f8b7237c488471.png)
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(2)设O为坐标原点,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3270d691ec08e077305e741bfbf97b72.png)
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐3】已知向量
,
.
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