What is || < -4 , 8 , -5 > || ||<−4,8,−5>||?

1 Answer
ali ergin
Mar 27, 2016

||< -4,8,-5 > ||=10,25 " unit"||<−4,8,−5>||=10,25 unit

Explanation:

||< -4,8,-5 > ||=sqrt((-4)^2+8^2+(-5)^2)||<−4,8,−5>||=√(−4)2+82+(−5)2
||< -4,8,-5 > ||=sqrt(16+64+25)||<−4,8,−5>||=√16+64+25
||< -4,8,-5 > ||=sqrt(105)||<−4,8,−5>||=√105
||< -4,8,-5 > ||=10,25||<−4,8,−5>||=10,25

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