已知线性变换
是按逆时针方向旋转90°的旋转变换,其对应的矩阵为
,线性变换
:
对应的矩阵为
.
(1)写出矩阵
;
(2)求直线
先经过
变换,再经过
变换后的曲线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6799f4e76bc51a76e1f26508c1ec7e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)写出矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa3adcb154f6144903d456289ecb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
19-20高三上·江苏南通·阶段练习 查看更多[2]
更新时间:2019-11-12 14:47:43
|
【知识点】 计算二阶矩阵的乘法
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】(1)直线
在矩阵
所对应的变换
下得到直线
,求
的方程.
(2)已知点
是曲线
(
为参数,
)上一点,
为坐标原点直线
的倾斜角为
,求点
的坐标.
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e894db81047f81df006964a290c039cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509f9c258e7d14c843bcf7efba552e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d6bf3a9c48c3d16d78fa1062f08257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f31a8d000d17c4b045b8646adfbcf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278c6f21492d19ebee1a938560b91511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95ead71eaf9bd178d0a53d993546c0a.png)
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解答题-问答题
|
较易
(0.85)
【推荐2】已知α=
为矩阵A=
属于λ的一个特征向量,求实数a,λ的值及A2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a95d39ed87349ff5f69f91093b31d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d6ebab647e9805f9fb0a2e7df837dc.png)
您最近一年使用:0次