There Are Exactly Two Unit Vectors Perpendicular to the Vector $\vec { i } + 2 \vec { j } + \vec { k }$

question 61

True/False

There are exactly two unit vectors perpendicular to the vector $\vec { i } + 2 \vec { j } + \vec { k }$ .

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Definitions:

Statistic

A numerical measure that describes an aspect of a sample of a population.

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