11-12高三·上海·阶段练习
1 . 已知矩阵
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c455898d3aea0beb4eb961b1c30cbe.png)
____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8619583cdfd2bea6d482ec568b536915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effc2553febc9fce1dcc60343a9d924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c455898d3aea0beb4eb961b1c30cbe.png)
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2012·上海长宁·一模
名校
2 . 行列式
中
的代数余子式的值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691c9b88cdf1cc3ad2879d836f047e01.png)
![](https://img.xkw.com/dksih/QBM/2012/1/27/1570700601524224/1570700606291968/STEM/d52ac6a3f2224f29b8df58e4f7949c89.png?resizew=24)
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2016-12-01更新
|
651次组卷
|
6卷引用:2012届上海市长宁区高三教学质量测试理科数学
(已下线)2012届上海市长宁区高三教学质量测试理科数学上海市嘉定区封浜高级中学2018-2019学年高二上学期期中数学试题(已下线)上海市华二附中2018-2019学年高二上学期第一次月考数学试题上海市黄浦区2015-2016学年高二上学期期末数学试题上海市上海交通大学附属中学2020-2021学年高二上学期开学考试数学试题上海市华东师范大学附属周浦中学2020-2021学年高二上学期期中数学试题
2012高三上·上海徐汇·学业考试
3 . 设
把三阶行列式
中第一行第二列元素的余子式记为
,且关于
的不等式
的解集为
,各项均为正数的数列
的前
项和为
,点列
在函数
的图象上.
(1)求函数
的解析式;
(2)若
,求
的值;
(3)令
,求数列
的前
项中满足
的所有项数之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad6069c2dbdd265742913317bd7e881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f14edfb9799bdb19997eb4e616e65b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a1b1fdcdde97a8c9e9339b2f33c5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758657e59c4e9d9c7203c13dc8b1c93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc99cba5ac394836ea72ee60328def3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2ef11c2c91900a8432bb7cc4081e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5175cb0f386dcea2d12953942bcc3e27.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7ba5de020acf3970e5479003771a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cca3ebd10a38201939a3694cc95186a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89af0dc6d8878c202ad703f6ac524318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd8a84eb57500a304552d143c354a52.png)
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2011·北京东城·一模
4 . .对于n∈N*(n≥2),定义一个如下数阵:
,其中对任意的1≤i≤n,1≤j≤n,当i能整除j时,aij=1;当i不能整除j时,aij=0.设
.
(Ⅰ)当n=6时,试写出数阵A66并计算
;
(Ⅱ)若[x]表示不超过x的最大整数,求证:
;
(Ⅲ)若
,
,求证:g(n)﹣1<f(n)<g(n)+1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa52eb1f953450ed61379b31cb95d69d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ca0f5d9d30acf82a6a81e0cace4cbb.png)
(Ⅰ)当n=6时,试写出数阵A66并计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/443bee875d6e97bf14935e0cd3e58e52.png)
(Ⅱ)若[x]表示不超过x的最大整数,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836ab5f5cadfb45b1436c7877f80993b.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3ae50f4a6cd489272e3cc0dbbd9df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795946aca112d97e28b81221bd9a8ae1.png)
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10-11高三上·上海·期中
名校
5 . 规定矩阵
,若矩阵
,则
的值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c6ddb29dddf47c68c2d3c49317091a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656cbce233d79fe29323b2ae5f970460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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