November 2021 0 35 Report
Пожалуйста решите подробнее Векторы A и B взаимно перпендикулярны, а вектор C образует с каждым из них угол 60%. Зная, что |A|=3, |B|=5, |C|=8, вычислите скалярное произведение (3A -2B)*(B+3C).
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