首页/ 题库 / [填空题] 设A是n阶方阵, AA=E, 则∣A∣的答案
相关题目

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

设n阶方阵A,B,C满足ABC=E,E为n阶单位矩阵,则 ( )
设n阶方阵A,B,C满足ABC=E,E为n阶单位矩阵,则 ( )
设A是n阶矩阵,且A的行列式|A|=0,则A 中__________
设n阶方阵A的有n个不同的特征值,则方阵A有n个线性无关的特征向量
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
设A为5阶方阵,且r(A)=3,则线性空间W={x | Ax=0}的维数是______________
设A是n阶方阵, AA=E, 则∣A∣=___
If a boy or a girl has grown up in a home with sharing tasks and decisions,he or she will probably______.
A floating constant consists of an integer part,a decimal point,a fraction part,an e or E,and an optionally signed integer _______.
设A为n阶方阵,E为n阶单位矩阵,且A2=A,则(A-2E)-1=____.
设A、B都是满秩的n阶方阵,则r(AB)=____。
设A、B都是满秩的n阶方阵,则r(AB)=____.
设A、B都是4阶方阵且AB=0,则r(A)+r(B)____。
设A、B都是4阶方阵且AB=0,则r(A)+r(B)____.
n阶方阵A具有n个不同的特征值是A与对角阵相似的______.
设A为n阶方阵,则n元齐次线性方程组AX=0仅有零解的充要条件是|A|____.
设A、B、C均为n阶方阵,若A=CTBC,且|B|<0,则|A|____。
设n阶可逆矩阵A满足2|A|=|kA|,k>0,则k=____。
设n阶可逆矩阵A满足2|A|=|kA|,k>0,则k=____.
广告位招租WX:84302438

免费的网站请分享给朋友吧