名校
解题方法
1 . 对任意两个非零的平面向量
和
,定义:
;
.若平面向量
满足
,且
和
都在集合
中,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7f5b1bfb32ebc6955eb612b14098f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a4e782971ff80ad56243d225b906a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b123b0eeb7f0575087577eb3adc50ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bb7c28c450198e14a6003c8429ea4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9000860e1d6cde8e3f21b47a37dcd9ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50043ddc2b1e8bc0fbddc1fdac797e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9099adf2971b5b87c20f608c38076df5.png)
A.1 | B.![]() | C.![]() | D.![]() |
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2024-04-19更新
|
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5卷引用:内蒙古名校联盟2023-2024学年高一下学期期中联考数学试题
内蒙古名校联盟2023-2024学年高一下学期期中联考数学试题(已下线)模块一 专题4 平面向量的数量积 B提升卷(人教B版)(已下线)模块一 专题5 平面向量的数量积 B提升卷(北师大版高一期中)广东省梅州市曾宪梓中学2023-2024学年高一下学期期中联考数学试卷福建省龙岩市连城县第一中学2023-2024学年高一下学期5月月考数学试题
2 . 已知抛物线
的焦点为
,直线
与抛物线
相切于点
(异于坐标原点
,与
轴交于点
,若
,则向量
与
的夹角为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3904463e169fb25dbd36fa257edd2bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e09d7770c8edce0f0d06083ea8745a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e065fbbc5c8160545b51f50b2a9606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
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3卷引用:内蒙古赤峰第四中桥北学分校2024届高三下学期开学摸底联考数学(理)试题
名校
3 . 已知
,
的夹角为
,则使向量
与
的夹角是锐角的实数
的取值范围是_____________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68ff5c1d130fadee0f402e8978d6fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eea45a8f50799dbe8ac66d5b920cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39289d3709ba1e565b165c30ed981d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d9b365b2466a533660214924c540a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ad38a19d572370a44bfc49691f687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2卷引用:内蒙古平煤高级中学2017-2018学年高一下学期第二章单元检测数学试题