名校
解题方法
1 . 在锐角
中,角
,
,
的对边分别为
,
,
,用向量方法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1501d4035822b34fcc2378f1e316f159.png)
您最近一年使用:0次
2021-07-24更新
|
217次组卷
|
3卷引用:沪教版(2020) 必修第二册 同步跟踪练习 第8章 8.4.2 向量的综合应用
沪教版(2020) 必修第二册 同步跟踪练习 第8章 8.4.2 向量的综合应用(已下线)6.4.1平面几何中的向量方法(练习)-【高效课堂】2021-2022学年高一数学下学期同步精讲课件+课后巩固练(人教A版2019必修第二册)广东省广州市真光中学2020-2021学年高一下学期期中数学试题
2 . 已知
,
,
、
的夹角
,若
,则m=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9936a46cc891744d4600f76bb92b694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aed49ecc2b80bfb03b872742eacfccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32994a265f392e6612a891a2b4f79d5.png)
您最近一年使用:0次
2021-03-25更新
|
200次组卷
|
2卷引用:沪教版(2020) 必修第二册 同步跟踪练习 第8章 8.2.2 向量的数量积的定义与运算律
解题方法
3 . 已知向量
,若存在非零实数
使得
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc44c0db6fdfa693cedf6d53ac4e741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09737e117adb481fd3c4affdf38ff45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6c0616425ca66f29be64c968aa2f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2266f59dd1c6cc28c6a7ff04d56da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a17fbeeb7bc8ff39e2b0403042f026.png)
您最近一年使用:0次
4 . 若向量
、
、
满足
,且
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88449ead0e93ab8cfc34b2ddcb16be5b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29168fe500dd6e7014659fc80a774e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082c6926889f84f438ea35f70bf05f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88449ead0e93ab8cfc34b2ddcb16be5b.png)
您最近一年使用:0次
2021-03-25更新
|
109次组卷
|
3卷引用:沪教版(2020) 必修第二册 单元训练 第8章 向量的坐标表示 (B卷)
5 . 已知抛物线
的准线与坐标轴交于点
,
为抛物线第一象限上一点,
为抛物线焦点,
为
轴上一点,若
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ee992c0a541d901ff9f38c039e2de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d095618cf4f87caa3be268d8688a049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732cec9be51dde8cc5d4d9c105a87c85.png)
A.![]() | B.![]() | C.![]() | D.2 |
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6 . 若非零向量
,满足
,则λ=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406b5eb37772dba7e4884a6c25a51d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d2517908046bf13e57f3ba06aff6bc.png)
您最近一年使用:0次
2017-07-10更新
|
215次组卷
|
2卷引用:2023版 湘教版(2019) 必修第二册 过关斩将 第1章 1.5 向量的数量积 1.5.1 数量积的定义及计算