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A 213 (341)2-5 10 |
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Answer» AB=root((3-2)^2+(4-3)^2+(7-4)^2) =root(1+1+9)=root(11)BC=root((-2-3)^2+(-5-4)^2+(10-7)^2) =root(25+81+9)=root(115)3AB+2BC=3root(11)+2root(115) |
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