名校
解题方法
1 . 若函数
,则称向量
为函数
的特征向量,函数
为向量
的特征函数.
(1)若函数
,求
的特征向量
;
(2)若向量
的特征函数为
,求当
,且
时
的值;
(3)已知点
,设向量
的特征函数为
,函数
.在函数
的图象上是否存在点Q,使得
?如果存在,求出点Q的坐标;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc54bc56c16baa3643686b85a6130e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7426e927be203401a7ea80f7e35e3c9.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/4478fcaef66e8a6a96925ce12d0f8e8f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d7196010641b173639d31e5b726ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c44a570505bb149c7f371103dc790f.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19ffb3e1c0862c550351103a68e0546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548636534994cd465dfc7bf7dd41505b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c598cfd66316debee317b3fb7d0584f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2a46883859a48b3da8c93f143a7ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f51f0af02654bc9cb8949ae2246e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baad8adfe88d8a69b51dfc3163aa520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1e2de22cb8df73c6dd6e61139d8196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c8c3f523738134ac0da2785c19b932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407e21daaab3120acc9c630f30d242cc.png)
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2023-06-17更新
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371次组卷
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2卷引用:吉林省长春吉大附中实验学校2023-2024学年高一下学期期中考试数学试