Предмет: Геометрия, автор: Myshkysh

даны векторы a{6;-4} b=i - 2j c= -1/2a + 2b найдите координаты и длинну вектора c

Ответы

Автор ответа: sadove

0

координаторы вектора с (-1,-2)

длина вектора с равна $sqrt{5}$

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