设a=i+2j-k,b=2j+3k,则a与b 的向量积为( ) -题库考试答案搜索网

设a=i+2j-k,b=2j+3k,则a与b 的向量积为( )

单选题

2021-07-17 23:32

A、i-j+2k
B、8i-j+2k
C、8i-3j+2k
D、8i-3i+k

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正确答案

C

试题解析

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我们每学期进行的期中考试、期末考试是水平测试（Proficiency Test）。

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