найдите координаты вектора -2c

tsoi240708 @tsoi240708

January 2023 1 5 Report

найдите координаты вектора -2c - p, если c(2;-5), p(-3;1).

Answers & Comments

bertramjeratire

Ответ:

[tex] - 2 \times ( 2; - 5) - ( - 3;1) = ( - 2 \times 2; - 2 \times ( - 5)) - ( - 3;1) = ( - 4; 10) - ( - 3;1) = ( - 4 -( - 3);10 - 1) = ( - 1;9)[/tex]

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