Даны векторы a {2;-5;-2} b {-4;3;-2}. Вычислите |2а-3b| - №29837067

Даны векторы a {2;-5;-2} b {-4;3;-2}. Вычислите |2а-3b|
- Предмет:
  Геометрия
- Автор:
  kareembarr
- 6 лет назад

Ответы 1

2a=2*2;-5*2;-2*2=4;-10;-43b=-4*3;3*3;-2*3=-12;9;-62a-3b=4+12;-10-9;-6+4=16;-19;-2
- Автор:
  zackery2pbz
- 6 лет назад
- 0
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