已知
,向量
与
垂直,且
,则
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a294138169a338323a41707cbc858530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b190b5fb977d012e536ce8cfe6e430a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-08-24 10:13:59
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【推荐1】已知向量
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7b613d8937e2197f7080d752ff6b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c316635c147b211f1e38e8951c15224f.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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【推荐2】如图所示,在平面直角坐标系
中,
是函数
图象的最高点,
是
图象的最低点,设
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f70dfba0820e05d7b9f5b9b14e95406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f70dfba0820e05d7b9f5b9b14e95406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92a47c060b0cc60289176c4b051f6dc.png)
A.![]() |
B.![]() ![]() |
C.与![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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【推荐3】已知向量
满足
,设
的夹角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f695cbec5d82c4a11a78a4564ceac0.png)
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A.![]() | B.![]() |
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您最近一年使用:0次
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解题方法
【推荐1】已知向量
,
,
满足
,
,
,设
,
的夹角为
,则( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1d579d99c46f6c0d55b51026e5b49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e5c64f752a093cbd3efd4e4805ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6912c0d4ee87090b997e3c4cebeeacaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】已知向量
,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4850f6d20b6bf120025e85366cfb874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be39d0bd00f17d2789a4bf5d627679c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef8f16f1ca4e00d69e74a30844744de.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
多选题
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较易
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【推荐3】已知向量
,
,且
,则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324ae9aabe9b5d2800807da07b3d0268.png)
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您最近一年使用:0次