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1 . 设复数
(i为虚数单位),若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b3be88ab39955ac027625dd95fc447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f32c241a1b97713333e7e8f0962503f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
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2020-05-21更新
|
358次组卷
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5卷引用:2020届上海市虹口区高三下学期二模数学试题
2020届上海市虹口区高三下学期二模数学试题上海市黄浦区2021届高三三模数学试题(已下线)模块05 三角比-2022年高考数学一轮复习小题多维练(上海专用)上海市七宝中学2022届高三上学期十月月考数学试题(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)
解题方法
2 . 定义
为向量
到向量
的一个矩阵变换,其中
是坐标原点,
,已知
,则
的坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607923768e7d0c894755d5029dcd76b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084fbf2765a9edc158201d46f022897c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd9f9c68cbff23257452964c4630872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551239084b9a756974a6c2363e1302d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb678742ffcaf3b4c2314e80711018b.png)
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3 . 二阶方阵
称矩阵
为A的转置矩阵记作
,设M、N是两个二阶矩阵,对于下列四个结论:(1)
;(2)
;(3)
;(4)
是“
”的充分不必要条件;其中真命题的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef5a391556b93459424c3290723d85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e85eba90133884a401a05bf194026b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43119d8fbc6109491526b1a2fb7fd5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae0a6e3e8a6412479765aab95f0cb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c24758c46e929af55a39db39f84f701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2eb0c8c6fd1e9f589fdebc68fec9cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25e2166e930e610667a2e3020e41040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6cf79926d7ac35864fc0d5eeff08f2.png)
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16-17高三上·上海浦东新·期中
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4 . 矩阵的一种运算
,该运算的几何意义为平面上的点
在矩阵
的作用下变换成点
,若曲线
在矩阵
的作用下变换成曲线
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c158a0dafc1ed72d4cd92ce8be537d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eaadd274b7644891f5550a799a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f989e3dc5d752aa2638069f325807db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb99abc26156c2dfe6941041e7e9f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5339be0bc4d6f090b6de7112636d500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760a793ad8dadeba59aef81106e95288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
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5 . 行列式
中元素4的代数余子式的值记为
,则
的最小值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff61ae54d5908e3571ddc409f6f22a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6 . 在数列
中,
且
,若
是
的前n项和,则
_______________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b591ab657a9cfd908d6011ef5afa2318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58abe92020722722506c7b12c7879ac5.png)
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7 . 已知
、
,函数
的最小正周期为
,将
的图象向左平移
个单位,所得图象对应的函数为偶函数,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859e586914f648d799666dbfbe330066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2020-02-02更新
|
232次组卷
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4卷引用:2016届上海市宝山区高三上学期期末教学质量监测数学试题
2016届上海市宝山区高三上学期期末教学质量监测数学试题2016届上海市宝山区高考一模数学试题上海市第二中学2017届高三上学期9月初态测试数学试题(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)
8 . 若行列式
中的元素4的代数余子式的值等于
,则实数
的取值集合为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3273a92f1f416c65ed44bc6c7c51f5ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2020-02-02更新
|
182次组卷
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6卷引用:2016届上海市虹口区高三4月高考练习(二模)(理)数学试题
2016届上海市虹口区高三4月高考练习(二模)(理)数学试题2016届上海市虹口区高三4月高考练习(二模)(文)数学试题2016届上海市虹口区高考二模(文科)数学试题2016届上海市虹口区高考二模(理科)数学试题上海市建平中学2020届高三上学期9月月考数学试题(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)
9 . 定义
为向量
到向量
的一个矩阵变换,设向量
为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7c1e2c35812a602502841ed6c402b3.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0df4654f75c155ddce56936fc73d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4555aaa044fa3370a55f208f8361e787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b257c5e82589ea530dc7e2b5a8d1bd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ab10bbdafdae8e04bc246ca2cf413d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7c1e2c35812a602502841ed6c402b3.png)
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10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283c35eda3ee9fe0fbdab457a44ba75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
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2020-02-01更新
|
71次组卷
|
2卷引用:2016届上海市嘉定区高考一模(文科)数学试题