1 . 若矩阵
与
满足
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9511f4c7c3f6eb94f54152e67e50427c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72885b199c12c6160ab6518335e12b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
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2 . 行列式
中,元素4的代数余子式的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732a46ddc0dbe8a694998886dad540d4.png)
您最近一年使用:0次
2020-12-04更新
|
132次组卷
|
2卷引用:上海市控江中学2020-2021学年高二上学期期中数学试题
名校
3 . 已知行列式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8cc25dc1f79ea88d3c377780b95b0e.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4b297f5a53a79fbed1c513984bd220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8cc25dc1f79ea88d3c377780b95b0e.png)
您最近一年使用:0次
2020-12-02更新
|
99次组卷
|
2卷引用:上海市位育中学2021届高三上学期期中数学试题
名校
4 . 已知函数
.
(1)求不等式
的解集;
(2)若不等式
在
上恒有解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a00af37a95128db5d3745a7a327063.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2942e2647554b44127bfce7b22f36a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af98533fbc91ae52c1eeaf0592a86f8.png)
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2020-08-16更新
|
228次组卷
|
3卷引用:上海市行知中学2019-2020学年高一下学期期末数学试题
上海市行知中学2019-2020学年高一下学期期末数学试题上海市复旦大学附属中学2020-2021学年高二上学期10月月考数学试题(已下线)大题易丢分必做30题(提升版)-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)
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5 . 设数列
是公比为
的等比数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced42c0f91c4921a3945eda52586de12.png)
______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced42c0f91c4921a3945eda52586de12.png)
您最近一年使用:0次
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6 . 若行列式
中元素
的代数余子式的值为5,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff089e26cb1a9c5a4aa14742f1ecb33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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7 . 行列式
中元素0的代数余子式的值为2,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d1c757d62852e950457d27853da190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.2 | B.1 |
C.1或0 | D.2或0 |
您最近一年使用:0次
8 . 已知矩阵
,
,则矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7641b4223fb77a9a712ff9b3ec55bc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3e738f9c413a0b1e3de7479b8b244d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249b9b24f590c7dd1de8fd77cb8d5309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7641b4223fb77a9a712ff9b3ec55bc.png)
您最近一年使用:0次
2020-04-24更新
|
81次组卷
|
2卷引用:江苏省徐州市2018-2019学年高二下学期期末理科数学试题
9 . (1)已知矩阵
,矩阵
的逆矩阵
,求矩阵
.
(2)已知矩阵
的一个特征值为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1d0410e84d68d63e459ddd38e99904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b20490758703d7d98d03c7196c0955e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)已知矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfa8cb201dda40c9cb5dd949e8359c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16fc7ee0ddf5893ea5b87652889c0f9.png)
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10 . 定义矩阵的方幂:设A是一个
矩阵,定义
,若
.
(1)计算
;
(2)猜想
的结论,并用数学归纳法证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767f5a4746f04db68386fac3970b1ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da4ee8a7dc275fbcd136238df59fbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd604a38b142c8cf787f936b7a3fc09c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55d6fcb58601195db867167dfa9dd96.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b8e1183883949250b0422e8631bc7c.png)
(2)猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01dc0aa9f1ce1e3b8fa11d8b601cd40.png)
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