名校
1 . 已知点
为曲线
上任意一点,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725a768b7266a986119257da230f694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e4b8658e34828cea8731b853068cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c154addfe957acf5af5cb5c02640863.png)
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解题方法
2 . 若
,
,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea836fe6960a2331f3c23880140780f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e59e00c437cae87bc95530982835a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.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
3 . 在
中,
,
,
.
为
所在平面内的动点,且
,若
,则给出下面四个结论:
①
的最小值为
; ②
的最小值为
;
③
的最大值为
; ④
的最大值为10.
其中,正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2899e607479d8d1c47d954ae9ebb7144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bd4cdb5035ce43bfebeeeb9457f411.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6ddf31b7d9225a4239883af72d153b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
其中,正确结论的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
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解题方法
4 . 已知
,
,则
的值_________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355314f379eab30b26be60b334a2b9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5379b7cff421f53c6a33e6d3803647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
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解题方法
5 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65745f95b22c2dc6f8f4dcf97d1005f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66de249b7c29faff4f8ff786ba21d500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
您最近一年使用:0次
2023-09-12更新
|
352次组卷
|
2卷引用:上海市大同中学2024届高三上学期开学考数学试题
名校
解题方法
6 . 已知向量
,
.
(1)若
,且
,求x的值;
(2)设
,求函数
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf864d0ebe82794efabddce9601b60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb0996ac851fe7cf345446063990828.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2558ead24d56fb372fef95c10fddd3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b604c6522119e77c1cb16b91532a2c1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbadb801b4df353885a517d465a3929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba7039324a6d810f4d5603d4edeb70e.png)
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2023-09-11更新
|
734次组卷
|
4卷引用:上海市敬业中学2024届高三上学期开学考试数学试题
名校
7 . 已知
,
,则
在
方向上的投影向量的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e4d15ab8f5359f6aa3b42674b0c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffcc21ffa986fd2a5d15134490bd32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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2023-07-29更新
|
465次组卷
|
5卷引用:上海市格致中学2021-2022学年高一下学期阶段性(二)数学试题
名校
8 . 如图,已知
为平行四边形.
,
,
,求
及
的值;
(2)记平行四边形
的面积为
,设
,
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8ffec55dc1c43b460a8fef3a468d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7872abd162e356132bb371fc581d818c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b0246acc9bed97eef80edc52bcb37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8bad16b7cdf8c638cd324f5be5d834f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a10f2c4a2a9c9cb4047f9f27cff1d7a.png)
(2)记平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1018d072c74bd0f5f013002751e16668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f021b99eb4724a997686d8ab1585382b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187d580a038d49b541c40a7e56b60c17.png)
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2023-07-08更新
|
540次组卷
|
4卷引用:上海市黄浦区2022-2023学年高一下学期期末数学试题
上海市黄浦区2022-2023学年高一下学期期末数学试题江苏省无锡市辅仁高级中学2023-2024学年高一下学期3月月考数学试卷(已下线)专题02 平面向量-《期末真题分类汇编》(上海专用)(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
名校
9 . 已知向量
,
,则
在
上的投影向量的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7aed9bacf1be0f1cd92e31192ac310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d192c47d2c2bd1c6c238469f5e855bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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解题方法
10 . 已知向量
,
,
.
(1)计算:
;
(2)求
在
上的投影向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af17103d485c7641d25511695e3097a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f4e0fa6ab758554ffadf6cafda03e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44972b26c436937c56e7ee4a283e3cb.png)
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca274a89761f5df9e2bf89e3ed3a6d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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