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设a1,a2,a3,a4,a5是四维向量,则( )

单选题
2021-09-01 21:01
A、a1,a2,a3,a4,a5一定线性无关
B、a1,a2,a3,a4,a5一定线性相关
C、a5一定可以由a1,a2,a3,a4,a5线性表出
D、a1一定可以由a1,a2,a3,a4,a5线性表出
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正确答案
A

试题解析

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