【判断题】【消耗次数：1】
含有零向量的向量组必线性相关
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
对于线性相关和线性无关，下列说法错误的是（）。
①
所含向量个数大于向量维数的向量组一定线性相关
②
如果一个向量组线性无关，则该向量组中一定不包含零向量
③
如果一个向量组线性相关，则至少存在一个向量可以由其它向量线性表示
④
如果n阶方阵的行列式为零，则该矩阵的列向量组一定线性无关
随机题目
【单选题】
Women have to be more ____ than men if they want to get anywhere in the business world.
①
difficult
②
ambitious
③
traditional
④
conservative
【单选题】
24. The kind-hearted woman always tries to help others, but recently she has been ____kind and generous.
①
chiefly
②
specially
③
principally
④
especially
【单选题】
When the passenger woke up, he found himself ____in a hospital ward.
①
lie
②
lay
③
lying
④
lain
【单选题】
He should get used by now ____ Chinese food.?
①
to eating ?
②
to eat ?
③
for eating ?
④
eatin?
【单选题】
2. As time went on, he found himself ____ with the toughest job she had ever taken.
①
face
②
faced
③
facing
④
to face
【单选题】
He came to the meeting ____ his serious illness.
①
inspite of
②
in spite
③
despite of
④
despite
【单选题】
Dave ____ into the house without ____ out by his parents.
①
slipped; finding
②
slips; finding
③
slips; to be found
④
slipped; being found
【简答题】
证明 整数环Z是一个主理想环。