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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Countries with high levels of income per capita, advanced technological infrastructure, and a standard of living significantly above the global average.

Poor Nations

Countries characterized by low levels of income, limited industrial development, and often a low Human Development Index (HDI), facing challenges such as poverty, disease, and low life expectancy.

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