3.判断题alpha_(1)=}125的列分块形式，对吗？A 对B 错

3.判断题 $\alpha_{1}=\begin{bmatrix}1\\2\\5\end{bmatrix},\alpha_{2}=\begin{bmatrix}2\\1\\6\end{bmatrix},\alpha_{3}=\begin{bmatrix}0\\0\\7\end{bmatrix},\alpha_{4}=\begin{bmatrix}-1\\0\\8\end{bmatrix}$是$A=\begin{bmatrix}1&2&0&-1\\2&1&0&0\\5&6&7&8\end{bmatrix}$的列分块形式，对吗？ A 对 B 错

参考答案与解析：

相关试题

3.判断题设向量beta可由向量组alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性表示，但不能由alpha_(1),alpha_(2),alpha_(3)线性表示。证: 3.判断题设向量beta可由向量组alpha_(1),alpha_(2),alpha_(3),alpha_(4)线性表示，但不能由alpha_(1),alpha

查看答案

4.(判断题) 向量组满足 beta_(1)=alpha_(1), beta_(2)=alpha_(1)+alpha_(2), beta_(3)=alpha_(1)+alpha_(2)+alpha_(: 4.(判断题) 向量组满足 beta_(1)=alpha_(1), beta_(2)=alpha_(1)+alpha_(2), beta_(3)=alpha_(

查看答案

已知alpha_(1),alpha_(2),beta,gamma均为3维列向量，又A=(alpha_(1),alpha_(2),beta)，B=(alpha_(1),alpha_(2),gamma)，: 已知alpha_(1),alpha_(2),beta,gamma均为3维列向量，又A=(alpha_(1),alpha_(2),beta)，B=(alpha_(

查看答案

(6)已知alpha_(1),alpha_(2),alpha_(3),beta,gamma均为四维列向量，又A=[alpha_(1),alpha_(2),alpha_(3),beta],B=[alph: (6)已知alpha_(1),alpha_(2),alpha_(3),beta,gamma均为四维列向量，又A=[alpha_(1),alpha_(2),alp

查看答案

(6)已知alpha_(1),alpha_(2),alpha_(3),beta,gamma均为四维列向量，又A=[alpha_(1),alpha_(2),alpha_(3),beta],B=[alph: (6)已知alpha_(1),alpha_(2),alpha_(3),beta,gamma均为四维列向量，又A=[alpha_(1),alpha_(2),alp

查看答案

3.[判断题]平时交换中的极端形式是交易交换。-|||-()-|||-A 对-|||-B 错: 3.[判断题]平时交换中的极端形式是交易交换。-|||-()-|||-A 对-|||-B 错

查看答案

4.判断题向量β被向量组alpha_(1),alpha_(2),...,alpha_(n)线性表示，记A=[alpha_(1),alpha_(2),...,alpha_(n)]，则Ax=β可能无解。: 4.判断题向量β被向量组alpha_(1),alpha_(2),...,alpha_(n)线性表示，记A=[alpha_(1),alpha_(2),...,al

查看答案

判断题（共10题，每题2.00分）1.向量组alpha_(1)=(1,1,1,1),alpha_(2)=(1,1,1,0),alpha_(3)=(1,1,0,0),alpha_(4)=(1,0,0,0: 判断题（共10题，每题2.00分）1.向量组alpha_(1)=(1,1,1,1),alpha_(2)=(1,1,1,0),alpha_(3)=(1,1,0,0

查看答案

7.设alpha_(1),alpha_(2),alpha_(3),beta_(1),beta_(2)均为4维列向量，矩阵A=(alpha_(1),alpha_(2),alpha_(3),beta_(1: 7.设alpha_(1),alpha_(2),alpha_(3),beta_(1),beta_(2)均为4维列向量，矩阵A=(alpha_(1),alpha_(

查看答案

判断题-|||-tan (2pi +alpha )=tan alpha .-|||-39.-|||-A 对-|||-B 错: 判断题-|||-tan (2pi +alpha )=tan alpha .-|||-39.-|||-A 对-|||-B 错

查看答案