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malaya152
@malaya152
August 2021
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4. Вычислить скалярное произведение векторов (-3; -12 ) и (–4; - 3).
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anna2501v
А{-3; -12}, b{-4; -3}
a•b=-3•(-4)+(-12)•(-3)=12+36=48
Ответ: 48.
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a•b=-3•(-4)+(-12)•(-3)=12+36=48
Ответ: 48.