已知
,
.
(1)当
为何值时,
与
垂直?
(2)若
,
且
、
、
三点共线,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582957208ff5f010dfc4dc51055f70be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe4aa7751ac7cdaf57eeec30291d45e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0d6f45010a54e0bfa0b48c90376ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d05a7544b4b7239fa38d6cf41e91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b206ca6aae394ab845aea1e8aea496b6.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/294f5ba74cdf695fc9a8a8e52f421328.png)
2023高一·全国·专题练习 查看更多[3]
(已下线)微专题02 平面向量的基本定理(2)-【微专题】2022-2023学年高一数学常考点微专题提分精练(人教A版2019必修第二册)重庆市第一中学校2022-2023学年高一下学期期末数学试题黑龙江省齐齐哈尔市第八中学校2022-2023学年高一下学期6月月考数学试题
更新时间:2023-05-25 15:19:48
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解答题-问答题
|
容易
(0.94)
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【推荐1】已知向量
,
,
.
(1)若点A,B,C三点共线,求实数x,y满足的关系;
(2)若x=1且
为钝角,求实数y的取值范围.
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(1)若点A,B,C三点共线,求实数x,y满足的关系;
(2)若x=1且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
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解答题-问答题
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容易
(0.94)
解题方法
【推荐2】已知点A(3,-4)与B(-1,2),点P在直线AB上,且|
|=|
|,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1395fa3420959a18d91b324adc622116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3dc93b1050aab7f70ffb2905e8a7727.png)
您最近一年使用:0次
解答题-问答题
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容易
(0.94)
【推荐1】已知向量
,
,
(1)若
,求k的值;
(2)若
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e4d15ab8f5359f6aa3b42674b0c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00d464f81faaa8a57527845ab946645.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd09f557f6bc201e5e6921c1aa0c24b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e269aea1ddfd7033e8f3974bc93db73d.png)
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解答题-问答题
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容易
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【推荐2】已知
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(1)
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与
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(3)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5c1ad5a0bb2146db9eec6811af9128.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39d1d88189726ae99c309644fca3494.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次