【判断题】【消耗次数：1】
任意n+1个n维向量必线性无关
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
在OSI/RM中，一个层N与它之上的N+1层的关系是什么?
①
第N层为第N+1层提供服务
②
第N+1层把从第N接收的信息添一个报头
③
第N层使用第N+1层提供的服务
④
第N层与第N+1层相互没有影响
【单选题】
在OSI参考模型中，第N层与第N+1层之间的关系是
①
第N层是第N+1层的服务提供者
②
第N+1层从第N层接收报文并添加报头
③
第N层使用第N+1层提供的服务
④
第N层与第N+1层没有直接关系
【单选题】
假设 A是n阶方阵,其秩rn?,那么在A的n个行向量中（ ）
①
必有r个行向量线性无关
②
任意r个行向量线性无关.
③
任意r个行向量都构成最大线性无关向量组.
④
任何一个行向量都可以由其他r个行向量线性表出.
【单选题】
向量组a1,a2,...,an线性无关的充分条件是
①
a1,a2,...,an均不为零向量.
②
a1,a2,...,an任意两个向量的分量不成比例.
③
a1,a2,...,an中任意一个向量均不能由其余1s?个向量线性表示.
④
a1,a2,...,an中有一部分向量线性无
【单选题】
已知向量组a1,a2,a3,a4线性无关,则向量组（ ）
①
a1+a2,a2+a3,a3+a4,a4+a1线性无关
②
a1-a2,a2-a3,a3-a4,a4-a1线性无关
③
a1+a2,a2+a3,a3+a4,a4-a1线性无关
④
a1+a2,a2+a3,a3-a4,a4-a1线性无关
随机题目
【单选题】
The ____ Court is the highest court in the United States.
①
Superior
②
Super
③
Supreme
④
Great
【单选题】
If you don’ t go to his birthday party next Friday，_____.
①
so do I
②
so will I
③
nor do I
④
nor will I
【单选题】
A culture in which the citizens share similar religious beliefs and values is more likely to have laws that represent the wishes of its people than where citizens come from _________ backgrounds.
①
identical
②
dramatic
③
extensive
④
diverse
【单选题】
_____ is it_____ made Peter_____ he is today?
①
What; that; that
②
That; that; what
③
What; what; that
④
What; that; what
【单选题】
It was during summer breaks that we first taste the satisfaction work that ____ into hard currency.
①
translates
②
transfers
③
transplants
④
transmits
【单选题】
At her word she stood up and walked away, stopping at the window to pull back the curtain and ____.
①
look round
②
look out
③
look up
④
look on
【单选题】
The linguists’ main interest had been to____ and describe
languages.
①
analyze
②
express
③
command
④
comment
【单选题】
We should always keep in mind that ____ decisions often lead to bitter regrets.
①
hasty
②
instant
③
promp
④
rapid
【单选题】
While being questioned on the court, the man denied
____ the old lady’s necklace.
①
having taken
②
taking
③
to have taken
④
to take