Предмет: Алгебра, автор: dog40age

Дано вектори b ⃗(9;-12) i c ⃗(-3;1). Знайдіть координати вектора a ⃗=1/3 b ⃗-2c ⃗.

Ответы

Автор ответа: vasilisinasofia978

1

Ответ:

1/3 b ⃗=(3;-4)

2с ⃗=(-6;2)

a ⃗=(3;-4)-(-6;2)=(9;-6)

а ⃗(9;-6)

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