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CA = {x₃;y₃;z₃} = C - A = {x₂-x₁;y₂-y₁;z₂-z₁}
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A = {x₁;y₁;z₁} = C + CA = {x₂-x₃;y₂-y₃;z₂-z₃}
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A = {x₁;y₁;z₁} = {1-3;-3-2;1-0} = {-2;-5;1}
Ответ: В
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__ _ _
CA = {x₃;y₃;z₃} = C - A = {x₂-x₁;y₂-y₁;z₂-z₁}
_ _ __
A = {x₁;y₁;z₁} = C + CA = {x₂-x₃;y₂-y₃;z₂-z₃}
_
A = {x₁;y₁;z₁} = {1-3;-3-2;1-0} = {-2;-5;1}
Ответ: В