Предмет: Геометрия, автор: pava03092004

Дано вектори a̅(2;4;5) і b̅(1;2;n) При якому значенні n вектори a̅ і b̅ колінеарні?

Ответы

Автор ответа: Аноним

Если координаты векторов пропорциональны, векторы коллинеарны.

2/1=4/2=5/n

5/n=2; n=2.5

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