已知矩阵
,
,
,计算:
(1)
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310cb16b06b551cb79b801193650eeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f3e086c56b08a30b1165c1091d9ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8218236dd2b58f16d299e1e339cd19fe.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd2e0881dea2b5d4938ac48b2b1782d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
更新时间:2020-06-26 10:56:58
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【推荐2】已知矩阵
,矩阵
,直线
经矩阵
所对应的变换得到直线
,直线
又经矩阵
所对应的变换得到直线
.
(1)求
的值;
(2)求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576ade897dfe3bd8c03dc64d6dc106fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2263de8496cab5ff18fe9ceebf5bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d167da51acbca32fd17d6f7f38d8dc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c1809d2e4db1e386f0d30213c80fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b48a99b6c3582a0e62e164430e81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb37c3caee98909bce78d6dd51ffb4f5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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