名校
1 . 设向量
,
,
.
(1)若A、B、C三点共线,求实数x的取值;
(2)若
,
的夹角为锐角,求实数x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de281d37c92612e9837a4a69fb725d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5931d766d63c8e09eb6daf7cde5277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3345267e3dad49c7eacdb0abc104f3a4.png)
(1)若A、B、C三点共线,求实数x的取值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
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2024-03-31更新
|
288次组卷
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2卷引用:重庆市育才中学校2023-2024学年高一下学期3月月考数学试题
解题方法
2 . 已知向量
满足
,
,
,
.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612afa7b97b18b8194457ae225293153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417a0aeb831a1530594b41dcc1829df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a600402d668cfc808ecb2cbd990f9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc11e7549cfce9220e70250ac943e457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37dd0802f896556180545ae356e90c7a.png)
A.若点P在直线AB上运动,当![]() ![]() ![]() |
B.若点P在直线AB上运动, ![]() ![]() ![]() |
C.若点P在以r = ![]() ![]() ![]() |
D.若点P在以r = ![]() ![]() ![]() |
您最近一年使用:0次
名校
3 . 已知
,
,
.
(1)记函数
,求函数
取最大值时
的取值范围;
(2)求证:
与
不平行;
(3)设
的三边
、
、
满足
,且边
所对应的角为
,关于
的方程
有且仅有一个实根,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3cbfc36c535fd54311d7e7be39a82be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd351d64a36474ff8f3f1eb64ac5d519.png)
(1)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c25f1d401fe5fd8748bb7c89751493b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82a12f606ee2ee9ee7eff1f805852ac.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28b3145d1fd20a4ab20d9a90fb9c511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2021-07-19更新
|
449次组卷
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4卷引用:上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)
(已下线)上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)上海市建平中学2020-2021学年高一下学期期末数学试题上海市川沙中学2021-2022学年高一下学期期末数学试题上海市川沙中学2022-2023学年高二上学期开学考试数学试题