设向量=(-1,4),=(1,-2),=(3,-8),若有常数a,b使a-b-=0,则( ) -题库考试答案搜索网

设向量=(-1,4),=(1,-2),=(3,-8),若有常数a,b使a-b-=0,则( )

单选题

2022-04-02 22:49

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517462951282904cbbccf7d046489b1f1ae098aec49eimage6.png">
B、a=-1,b=2
C、a=1,b=-2
D、a=1,b=2

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正确答案

A

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标签：哈尔滨师范大学广播电视学专升本非线性编辑平时作业2

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