名校
解题方法
1 . 四边形
为菱形,其中
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89520fe4dd9651e9ea2a2de027a7371.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7285b813ec6934c6ca0ff61c4fb93362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89520fe4dd9651e9ea2a2de027a7371.png)
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名校
解题方法
2 . 向量
同向的单位向量为______ (用坐标表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc00570294a6e63627d672f0540c4a6d.png)
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名校
解题方法
3 . 已知两点
,则向量
的单位向量的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9aa579a727728ad4a614ecb5a5d635e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
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4 .
是不共线的两个向量,但
与
是共线向量,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9441846da0868582298cece138bec3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cb13ca83678e8cf7232070ed325741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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5 . 已知
、
均为非零向量,有下列三个命题:
①若m为任意实数,则
是
的充分非必要条件;
②已知
、
为两个不平行向量,则
是
的必要非充分条件;
③“
”是“
”的既非充分也非必要条件.
其中命题正确的个数( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
①若m为任意实数,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf4d4986a745c32f7658c3c6e61b7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3313453ec17537257e8e661f0f3f4efb.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bdf81c85fa9ae49b05fb18e0488f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bba1e65bcf53d905e05c9b63850d501.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a3da57aa99d0f2fb5b6b6a8d26e0cd.png)
其中命题正确的个数( )
A.0个 | B.1个 | C.2个 | D.3个 |
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6 . 将所有平面向量组成的集合记作
.如果对于向量
,存在唯一的向量
与之对应,其中坐标
由
确定,则把这种对应关系记为
或者
,简记为
.例如
就是一种对应关系.若在
的条件下
有最大值,则称此最大值为对应关系
的模,并把
的模记作
;若存在非零向量
及实数
使得
,则称
为
的一个特征值.
(1)如果
,求
;
(2)如果
,计算
的特征值,并求相应的
;
(3)若
,要使
有唯一的特征值,实数
应满足什么条件?试找出一个对应关系
,同时满足以下两个条件:①有唯一的特征值
,②
,并验证
满足这两个条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b96fb4e62603adaca6f38b17bf6a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dd0edf242ab4ec75c5f7ad68b3a574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3afc015b5583b3169616b14a769e97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7404d4aa0f0bcfe7ebf45d3eeab3cdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced7683dec8b2e71f2f66133724b9c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b82b8fc25f5b3522c2e9937f294c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d839e40bfa874221cf24f2a9cf345517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11f502eb71fe2f008c4085bea755269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d382b434fb5eb9763b2b4a96bf4813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c23684bf1fcc0ec9f8a98781062a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18594679d6a20ae0baf81a4c34605d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635434c8e23636732637b590f1ec5800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f132461e6a00389889ea81137f6e033b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c23684bf1fcc0ec9f8a98781062a9.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d62e34d813f78216c3ce64b5f5ba53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf6f71e816aeec0cd8fa4c6607b7dd3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a450878d2c929e589aea7b1a0398f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24795dffc6d53301b25d2d4560b6266f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a34ab5701b92024f587d44f6f185285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
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2024高一下·上海·专题练习
名校
7 . 下列说法错误的是( )
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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解题方法
8 . 在
中,角
,
,
的对边分别为
,
,
,且
,
,
.
(1)求角
的大小;
(2)若
,
,试判定
的形状.
![](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/d45e2f647fadcc91b97faf16f1f0d6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d070de8e589f7627fb0685d770bb5800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b0af4f33851007b2052508dd3790e.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b3132d434668cab754f1540a7ae4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-06-14更新
|
473次组卷
|
3卷引用:上海市曹杨第二中学2023-2024学年高一下学期期中考试数学试卷
22-23高一下·上海浦东新·期中
名校
解题方法
9 . 向量
的单位向量是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d4806428d45917cde867c566fc5f63.png)
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名校
10 . 已知
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe2b4d00cdc8390b0d25a7e503147df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ace61c78bb4c93eb3a0546d372e8f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2023-03-16更新
|
890次组卷
|
5卷引用:上海市进才中学2022-2023学年高一下学期期中数学试题