Предмет: Алгебра, автор: amiiina12343214

являются ли следующие векторы перпендикулярными a=(a;0,b=(0;b)

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Автор ответа: arsenlevadniy

$bar a=(a;0), bar b=(0;b), \ bar acdotbar b=acdot0+0cdot b=0, \ bar aperpbar b$

Автор ответа: amiiina12343214

Можно по понятнее

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