найти вектор {b}, если вектор {a}=3, векторы {a+b}=18 и {a-b}=12 - №18921858

найти вектор {b}, если вектор {a}=3, векторы {a+b}=18 и {a-b}=12
- Предмет:
  Математика
- Автор:
  frodorodgers
- 6 лет назад

Ответы 1

найти вектор {b}, если вектор {a}=3, векторы {a+b}=18 и {a-b}=12 {b}={18-a}=18-{a}=15проверка:{3-15}=12 (истина)
- Автор:
  levisweeney
- 6 лет назад
- 0
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