名校
1 . 设
,向量
,
,
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de59c5a3239777e9763a7249f40356ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9690262fc8e080220bcfd606b54e4d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de86fd6be88f8b0a7f253f6233070fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b23cc1e2140104001dd399ace17e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-03-07更新
|
1396次组卷
|
5卷引用:江西省新八校2023-2024学年高三上学期第一次联考(期末)数学试题
23-24高二·全国·假期作业
名校
解题方法
2 . 已知点的坐标分别是
,
,直线
相交于点M,且它们的斜率之积为
.
(1)求点M轨迹
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e00bf73d03dded1cf5f83cc5339361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f239a35de1828b14a58be5bd5af9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
名校
3 . 已知向量
,
,函数
.
(1)若
,求
的值;
(2)若
为锐角三角形,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673277bcaf21852f7baf225ad71e954f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a786d679ad3c599d551198a688bbbf4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675beb8df50d171920eeb89b814a59e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5edac4054d1245f3af34d645048ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba9745c01bcc7c3b62a4ee6dd60a3a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3819e3abe5ba10dc15142a6a8a616ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03005d17bf564371ad29fea41f5c650.png)
您最近一年使用:0次
2023-12-17更新
|
990次组卷
|
3卷引用:江西省宜春市丰城市东煌学校2024届高三上学期期末数学试题
解题方法
4 . 向量
,
,若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6009182731012aad2b87fdd3164c55df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4ec6c397f39629ea73ee8c363de7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9607a673598ce98ed17b0732ac39af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da92a2fc2ce861e82f7192fe4e648f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
2020-04-04更新
|
195次组卷
|
3卷引用:江西省丰城市第九中学日新班2023-2024学年高二上学期期末数学模拟试卷
江西省丰城市第九中学日新班2023-2024学年高二上学期期末数学模拟试卷福建省2019-2020学年高三毕业班质量检查测试文科数学试题(已下线)专题9.3 向量基本定理及坐标表示(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)