Ответ:
Объяснение:
a-b = (Xa-Xb; Ya-Yb; Za-Zb)= (4-(-1); -5-2; 6-5) = (5;-7; 1)
Ia - bI =[tex]\sqrt{5^2+7^2+1^2} = \sqrt{25+49+1} = \sqrt{75} = 5\sqrt{3}[/tex]
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Ответ:
Объяснение:
a-b = (Xa-Xb; Ya-Yb; Za-Zb)= (4-(-1); -5-2; 6-5) = (5;-7; 1)
Ia - bI =[tex]\sqrt{5^2+7^2+1^2} = \sqrt{25+49+1} = \sqrt{75} = 5\sqrt{3}[/tex]