1 . 关于
,
的方程组
无解,则实数
的值是
![](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/b64b03feb1b71562f4da1b194b065a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.不存在 |
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2 . 当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ 时,关于
,
,
的方程组
无解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b9384775e131f5de4f5acadd4edd6f.png)
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3 . 关于
,
的方程组
有唯一解的充要条件是__________ .
![](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/27b053e40ff5c6d7abce384515909a05.png)
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4 . 写出下列线性方程组的系数矩阵和增广矩阵,用矩阵变换求解该方程组
,系数矩阵为______ ;增广矩阵为______ ;方程组的解为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7963d6655b4b6cdf092039462e77787e.png)
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5 . 解关于
,
的方程组
.
![](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/e8d6a2f7c9d7e649f6c97c2ba85d54c3.png)
您最近一年使用:0次
6 .
,
满足什么条件时,关于
,
,
的方程组
有唯一解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8421716a67c328b6f82bf3a86cde0322.png)
您最近一年使用:0次
7 . 方程组
有唯一解,则
应满足的条件是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a34fd485da9b47e75ccf746a847d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 解关于
,
的方程组
.
![](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/956b3de9e05f2b701808cfeacb362667.png)
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名校
9 . 讨论关于
、
的方程组
解的情况.
![](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/0197ecd3de5ad9804e407a479cc38509.png)
您最近一年使用:0次
2019-11-10更新
|
83次组卷
|
2卷引用:沪教版 高二年级第一学期 领航者 第九章 每周一练(1)
10 . 用行列式解下列方程组.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bb1dbc5c028a53051997dff85bfbec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b423751ca1cbccc010b6f5b63e8d432.png)
您最近一年使用:0次