名校
解题方法
1 . 已知向量
与向量
的对应关系用
表示.
(1)证明:对任意向量
、
及常数
、
,恒有
;
(2)设
,
,求向量
及
的坐标;
(3)求使
(
、
为常数)的向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91b0e5ad368c6da34f2263de056fee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794953fe619ca196431d6beaa0076e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa48cf7be8957cd677297267735bee62.png)
(1)证明:对任意向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2c07ad0724802023f1e232aed55ff1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479779070b95c1c2845f0a24dc8d5f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4568d49578f17e744a5d6f6b5d2ed4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17f98350f6070505458786e9953eb99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5917359f912d80b0a4ba3269aa91e6dd.png)
(3)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac6d4148ee2d5baa49302c6049eded0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
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