名校
1 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026a1f303917adcc40c1958317252f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4df4614fbc3341c63c895342bc5eedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.5 | C.4 | D.![]() |
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2 . 已知向量
,
,且
与
平行,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e54ae52b5c3f2fae9726a1a2701bfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dd5606ee9c1018a3b49893e8edf20a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afc391105ca04c187e6be5bd77acc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
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3 . 已知空间三点
,则
在
上的投影向量坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a87b4fe2729a934405c675865998913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
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2024-04-10更新
|
275次组卷
|
2卷引用:湖南省张家界市民族中学2023-2024学年高二下学期入学考试数学试题
4 . 若向量
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91620b690d2ad0799c4651c8a7504d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d314ecf6c5133cd67ec1b1967a5b0b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c538f655b28f73a2970832f22f036f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df2651eed913c2c8c6a24bcc9feb330.png)
A.5 | B.8 |
C.10 | D.12 |
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名校
5 . 已知空间向量
,
,
.
(1)若向量
与向量
垂直,求x的值;
(2)在(1)的条件下判断向量
,
,
是否共面?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5ddddabc3bd62f1f5561df866f4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba5fb8d5433ae8f9ae586254bb43e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bf9270e5dbaec7b9486f45368770b5.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0c233484ce028819ebd0c86b75a92b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)在(1)的条件下判断向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
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6 . 已知空间向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87aefab2c348022dff54224715ad9d4.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b672fe524f188686f89448cbb5f275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87aefab2c348022dff54224715ad9d4.png)
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解题方法
7 . 如图,在直四棱柱
中,底面
为菱形,
为
的中点,点
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c41258baa6ddd40fe74d9a0f0f2a398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866bf34d3d5e15836ecf6888d62a6e43.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-02-20更新
|
1223次组卷
|
3卷引用:湖南省长沙市雅礼中学2024届高三月考试卷数学(六)
名校
8 . 已知空间向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972f573c441d316242f4cacfd96648bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6168e9d716c6720c1b9a6c4095a3f57d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a4536aee795e0fe74a860dc80c2b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-05更新
|
322次组卷
|
3卷引用:湖南省涟源市2023-2024学年高二上学期期末考试数学试题
名校
9 . 已知向量
,
,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40f04029f6358ae7122d1a4455b5098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650ba7bbb55b091bdbfd5fccb3ce4269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d30c4b6958c625769fbb18600b01fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知向量
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1accffd2c4fc378129558d4c640766ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9375415c83d0e35ba665d05033477956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.![]() | B.![]() | C.3 | D.6 |
您最近一年使用:0次