已知O为坐标原点,对于函数
,称向量
为函数
的相伴特征向量,同时称函数
为向量
的相伴函数.
(1)记向量
的相伴函数为
,若当
且
时,求
的值;
(2)若任意的x满足
,
且
,求y的值
(3)已知
,
,
为
的相伴特征向量,
,请问在
的图象上是否存在一点P,使得
,若存在,求出P点坐标;若不存在,说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234eb91d6082d883d2c885ddfc629313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
(1)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27766acf6783f9354f674a5f0c6b009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea54c9962f0130ce1f3eca3098e101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bb700769d578c7ed2b6a650400b926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
(2)若任意的x满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e632c8f606941f066e5afbbdc21a462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3190879152f92877a6eddab384f50bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1887c46cf91b224bae5b0b75cd1ac87.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acf45a5f66394502b70bf1dd68ee40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34458dd7ae8cae1e4a4fd7dd52234032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d8df3333cdfa86a5386553d0986a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484d0ccdf3789e6487dc36803abda659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c77f836f70aa7288cc21b628861c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1428037efcc8068ecc8b4cd2279568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b929fe0f9c13dd6dfabca91a1a4aaa.png)
更新时间:2024-04-15 09:14:44
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适中
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解题方法
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe2ee290cb82bff369143227c53ce7e.png)
(1)当
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(2)若
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知向量
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b8b019ed6c0d2b01e3ee8dd2cc3082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951a57a244058c554a134b8e3e6b61c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b256d6f05a02b36a9fe5794cbe62f819.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34201cb1d63502dfe0884601bf3cfedb.png)
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【推荐1】已知直线
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/25/c5337814-deb9-41bd-b2e3-4282bbe6bec7.png?resizew=234)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce55779fbda2bbada2011c343fbdfdc.png)
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解答题-问答题
|
适中
(0.65)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f60453488ea71a6b6bd24e7db81be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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