Даны векторы VN−→{5;7} и MT−→−{−3;12}. Вычисли: VN−→+MT−→− = {; }; VN−→−MT−→− = {; }; 6⋅VN−→ = {; }. . Created by vitya3368. geometriya-ru

Даны векторы VN−→{5;7} и MT−→−{−3;12}. Вычисли: VN−→+MT−→− = {; }; VN−→−MT...

vitya3368 @vitya3368

August 2022 1 34 Report

Даны векторы VN−→{5;7} и MT−→−{−3;12}. Вычисли: VN−→+MT−→− = {; }; VN−→−MT−→− = {; }; 6⋅VN−→ = {; }.

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NNNLLL54

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$\vec{a}=(x_1;y_1)\ \ ,\ \ \vec{b}=(x_2;y_2)\\\\\vec{a}\pm \vec{b}=(x_1\pm x_2\ ;\ y_1\pm y_2\, )\ \ \ ,\ \ \ k\cdot \vec{a}=(\ k\cdot x_1\ ;\ k\cdot y_1\ )$

$\overline{VN}=(5;7)\ \ ,\ \ \overline{MT}=(-3;12)\\\\\overline{VN}+\overline{MT}=(2;19)\\\\\overline{VN}-\overline{MT}=(8;-5)\\\\6\cdot \overline{VN}=(30;42)$

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