名校
1 . 已知
,向量
是矩阵
的属于特征值3的一个特征向量,求矩阵
及另一个特征值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f7174305d1979e7eb9ad62d1208ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01e382e6babe676cd544ebdb8bfd5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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名校
2 . 已知矩阵
,向量
,计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0136429036b057c26348a5bf8ee2152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8511eaf25da50659c11a9ccc9a65d3ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68555568c030eb425271141b6511ce89.png)
您最近一年使用:0次
2020-03-25更新
|
112次组卷
|
3卷引用:江苏省镇江八校2019-2020学年高三上学期第二次大联考数学试题
3 . 已知
,向量
是矩阵
的属于特征值-3的一个特征向量.
(1)求矩阵
的另一个特征值;
(2)求矩阵
的逆矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76789ef16c7722c30ab31c3a4e518af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d458f805c1fccc375ab5d8da42abd80.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
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4 . 已知矩阵
的逆矩阵
.求曲线
在矩阵
所对应的线性变换作用下所得到的曲线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef582a6b9a5accde06a0af8f84495f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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5 . 已知矩阵
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62665e95a19b82448e3a6ac1b77b0b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6cb94d93b169adeffd262c1667257a0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbaa32e8569dfe4074d80de2f5473f0.png)
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6 . 已知
,向量
是矩阵
的属于特征值3的一个特征向量.
(1)求
的值.
(2)若矩阵
满足:
,求矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f51e73a484873019c9848feced83e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c84e628ed54db62d40e24a059bb37c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d9abeea1a11be4892ed6d4a0134f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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7 . 已知线性变换
是顺时针方向选择90°的旋转变换,其对应的矩阵为
,线性变换
对应的矩阵为
,列向量
.
(1)写出矩阵
,
;
(2)已知
,试求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c6fba958ec7ab8e2939af0a8a3c190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee663e49d8a4565ab6b68debfa99cbe.png)
(1)写出矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015e7dbf730dbdc3efa10ba7e2e3c20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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8 . 已知矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f73771ccf40e99fc7422e0d733e8e9.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696fcb7889c039ed4867292cd83544c3.png)
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
(1)求实数
;
(2)求矩阵
的特征值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f73771ccf40e99fc7422e0d733e8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ebe6fdff5e34e0a10766cd684597c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696fcb7889c039ed4867292cd83544c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c5baf234d46468624124fd25b4940c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9bee7a3e6a2c01e3196fd1dbe40cb4.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2020-03-09更新
|
129次组卷
|
2卷引用:2020届江苏省沭阳县高三上学期期中调研测试数学试题
名校
9 . 用行列式讨论下列关于
、
、
的方程组
的解的情况,并求出相应的解.
![](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/ec8ba705e34e595b58609289bc36cb03.png)
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名校
10 . 解关于
、
的方程组
,并对解的情况进行讨论.
![](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/6c8bec01469ad10491be9a633ea52ca0.png)
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