真题
1 . 在平面直角坐标系
中,设椭圆
在矩阵
对应的变换下得到曲线F,求F的方程,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2db3534aaf21bbc27448be9ee90a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7fa12d00ceeffdd2025ea6ce19e351c.png)
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真题
名校
2 . 关于
、
的二元一次方程组
的系数行列式
为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7659a56eaabab9dd502a2a532512ccd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-03-28更新
|
1368次组卷
|
4卷引用:2017年普通高等学校招生统一考试数学(上海卷)
2017年普通高等学校招生统一考试数学(上海卷)【全国百强校】上海市金山中学2018届高三上学期期中考试数学试题(已下线)课时29 二、三阶行列式-2022年高考数学一轮复习小题多维练(上海专用)(已下线)第一篇 代数与近世代数 专题3 多项式与线性方程组
真题
3 . 若线性方程组的增广矩阵为![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/57c3cc3d9e044899a51bd3a190fe1b8c.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/e1965f41119d4798aadd2d09bc017104.png?resizew=12)
解为
,则![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/bc0c99406f384729b74b6f37a83835f2.png?resizew=56)
___________ .
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/57c3cc3d9e044899a51bd3a190fe1b8c.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/e1965f41119d4798aadd2d09bc017104.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/9b9ff99150a943fe94bdc85592dba08f.png?resizew=25)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/448c954adcf740cfa3fed07a189761a7.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572141761069056/1572141766311936/STEM/bc0c99406f384729b74b6f37a83835f2.png?resizew=56)
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