Предмет: Геометрия, автор: lazzat00

помогите пожалуйста A (3; -1; 0) B(-1;3;-14) C (1;-1;-4) m=AB+2•BC АБСОЛЮТ

Ответы

Автор ответа: annyashch

0

АВ=(-4;4;-14)
ВС=(2;-4;10)
2ВС=(4;-8;20)
m=(-2;-4;6)

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