【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】
Only by shouting at the top of his voice ____.
①
he was able to make himself hear
②
he was able to make himself heard
③
was he able to make himself heard
④
was he able to make himself hear
【单选题】
He won’t____ to bring me my umbrella unless I tell him again.
①
forget
②
remind
③
remember
④
realize
【单选题】
Many people prefer large cars, ___ large cars are safer than small ones.
①
think
②
to think
③
having thought
④
thinking
【单选题】
David watched her car until it ________ from view.
①
remainded
②
dalayed
③
grew
④
disappeared
【单选题】
When I got up this morning, I felt the temperature had ____.
①
sunk
②
reduced
③
dropped
④
lowed
【单选题】
The reason why the car was stopped was ____.
①
that the road was slippery
②
due to the slippery road
③
because the road was slippery
④
because of the slippery road
【单选题】
—WillyougoshoppingtogetherwithusthisSunday,Jenny?—Yes,____.
①
I do
②
I’d like to
③
I’d love to do
④
D. I’m busy