解题方法
1 . 已知平面向量
.若向量
与
共线,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df001676b6da6f1636819274309b3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa0bc2b60d2a310163fca2e89f74b.png)
(1)若
求
;
(2)若
求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa0bc2b60d2a310163fca2e89f74b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5ba119681ae236d5b8dd37471ab820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c0d85606eaf1751beb7354b813918b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f7a29463afd6705608a6efc331ec3.png)
您最近一年使用:0次
解题方法
3 . 平面向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e74f5a7fca9a70f06cd30d586a3e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016cca31459c8044a0cd77d2e079871a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
4 . 已知向量
,若B,C,D三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5071620a9137ef5060b7b22a4c2fb739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-05-20更新
|
562次组卷
|
2卷引用:广东省广州市白云艺术中学2023-2024学年高一下学期期中数学试题
解题方法
5 . 若向量
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88a341c90d865e666a70fc567007f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a916bf4a3654420d10b50e260d659788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-19更新
|
354次组卷
|
2卷引用:甘肃省白银市2023-2024学年高一下学期5月阶段性检测数学试题
解题方法
6 . 已知点
,且点
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f721e5a1d0b7dee53969e1f33fd5d9b4.png)
.
(1)若点
在直线
上,求
的值;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1845a60deb152288cfbb8e27e6c15096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f721e5a1d0b7dee53969e1f33fd5d9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4ce60d64df029a90dfe9cdf8c75716.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e68367749d9a8c10cc73c384d252390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596f68ba4b746cab4b2c26ffce554b5a.png)
您最近一年使用:0次
名校
解题方法
7 . 已知向量
,
,若
,则锐角
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac90aed4e57f0c8d6ee1c02696bcc7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd439dba62f2bacdee64ebf2b3e51aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
解题方法
8 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2807ecc81d36bee4048fa4d570895d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8bd196d5fbea1c724f4fb6fe279d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9764d6ada40b80c5ddc7bb870c649e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
您最近一年使用:0次
名校
解题方法
9 . (1)已知向量
,点
,若向量
,且
,求点
的坐标;
(2)已知向量
,若
与
夹角为钝角,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0812ea92afd60233426521798f5ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b02f38fd0600f103d213f990c27dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac707726b5ef6b873eea83d9b89bdfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba2a0340148cd9c393cb2c6184ef349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a202857500b73bfc9db59b990363d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-05-12更新
|
879次组卷
|
2卷引用:安徽省智学大联考·皖中名校联盟2023-2024学年高一下学期期中检测数学试卷
名校
解题方法
10 . 已知向量
,
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7213aac990c6f08447dec6ac1f419fbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbecabada0ae68779a959db30e198e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次