1 . 函数
的最大值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7e0eb84d9d19131a5978733e85276d.png)
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2 . 将
表示成一个三阶行列式为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2381668f5db54a7fa892766e9de93b48.png)
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3 . 若
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8bb135a3dce94ad7e096125c558f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acff9e018c7c4fe86a925669aef8c3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4deef4b0c87148779c115f2bc889e76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b9628add5c8c3798d91b0da6e74f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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4 . 设
,计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dcd0b803c5b77cd73add9eb136ad5c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af26da329d5a2f07875856b3529952e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dcd0b803c5b77cd73add9eb136ad5c.png)
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5 . 方程组
,它的系数行列式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eec97b69fe05e18829949f545e6b3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6d85799453899836bc34ad276ec80e.png)
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名校
6 . 方程组
,有无穷多解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d865edf717e5d45f5fe28260f91b3295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2020-06-26更新
|
95次组卷
|
2卷引用:沪教版(上海) 高二第一学期 新高考辅导与训练 第9章 矩阵和行列式初步 9.4(2)三阶行列式
7 . 已知矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e54d782c4f5ac398acccfbd1ce3ff4.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea29a03c1010dd728e933331abd062b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d024f0fc7981e44ec6070963f9e5499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e54d782c4f5ac398acccfbd1ce3ff4.png)
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8 . 增广矩阵为
的线性方程组的解用向量的坐标形式可表示为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840b286f16028dcc1e382d62997cab1f.png)
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9 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308581988844a2df0a39af695433c87d.png)
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10 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a753aea2c89e1d76507bec83c2442aa3.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a753aea2c89e1d76507bec83c2442aa3.png)
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