题文
设O、A、B是平面内不共线的三点,记
=
,
=
,若P为线段AB垂直平分线上任意一点,且
=
, 当
=2,
=1,则
等于( )

D.


题型:未知 难度:其他题型
答案
D解析
该题暂无解析
考点
据考高分专家说,试题“ .....”主要考查你对 [向量数量积的运算 ]考点的理解。
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