【判断题】【消耗次数:1】
若向量组的秩为r,则其中任意r+1个向量都线性相关.
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 若向量组的秩是r,则其中任意r+1个向量是线性相关的。
①  正确
②  错误
【判断题】 若向量组(A)可由向量组(B)线性表示,则R(A)不小于R(B)
①  正确
②  错误
【单选题】 线性相关的向量组,则其部分组[填空].
①  必线性相关
②  必线性无关
③  可能线性相关,也可能线性无关
【判断题】 含有零向量的向量组必线性相关
①  正确
②  错误
【判断题】 含有零向量的向量组必定线性相关。
①  正确
②  错误
【判断题】 线性相关的向量组,其部分组必线性相关.
①  正确
②  错误
【判断题】 向量组线性相关的充要条件是该向量组中至少有一个向量可由其余向量线性表示。
①  正确
②  错误
【判断题】 线性变换保持向量组的线性相关性。
①  正确
②  错误
【判断题】 若向量组中部分向量线性无关,则此向量组线性无关。
①  正确
②  错误
【判断题】 可逆线性变换保持向量组的线性相关性。
①  正确
②  错误
随机题目
【单选题】 found a __________
①  corporation
②  company
③  machine
④  firm
【单选题】 Everybody likes her because she is always _______ .
①  Everybody likes her because she is always _______ .
②  cheerful
③  sad
④  selfish
【单选题】 It is the general manager who makes the _______decisions in business.
①  beginning
②  finishing
③  first
④  final
【单选题】 Those gifts o rare books that were given t us were deeply _____.
①  appreciated
②  approved
③  appealed
④  applied
【单选题】 Haven’t seen you for ages! What are you busy doing now?____________
①  I hate the weather here.
②  My hair is getting a bit longer.
③  I am working part time in a bookshop, you know.
④  Yeah, thanks for coming.
【单选题】 We are planning an outing. _________ Sure.
①  Where are you going?
②  When will you leave?
③  How is everything?
④  Do you want to join us?
【单选题】 It is dangerous to ______ outdated(过时的) ideas and theories.
①  cling to
②  strive for
③  run through
④  resort to
【单选题】 I had my meals ______ when I was ill in bed with a bad cold.
①  to bring
②  bring
③  brought
④  bringing
【单选题】 Don’t make faces in class.____________
①  Excuse me, I am wrong.
②  Certainly, I will.
③  That’s OK.
④  Sorry, I won’t do it again.
【单选题】 He offered to ___ her a hand as the suitcase was too heavy for her to carry.
①  lend
②  help
③  grant
④  loan