题文
已知
=(-1,2),

=(λ,1),若

,则λ=( )。 题型:未知 难度:其他题型
答案
2或-6解析
该题暂无解析
考点
据考高分专家说,试题“已知=(-1,2),=(λ,.....”主要考查你对 [向量模的计算 ]考点的理解。
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