Відповідь:
Координати:(5;-12) Модуль:13
Пояснення:
Координати вектора:(6-1,-7-5)=(5;-12)
Модуль вектора: |a| = √(5^2 + (-12)^2)= √(25 + 144) = √169 = 13
Объяснение:
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