What is ||<−7,−7,−3>−<4,4,−1>||?

1 Answer
ali ergin
Feb 14, 2016

||<−11,−11,−2>||=√245

Explanation:

<−7,−7,−3>−<4,4,−1>=<−7−4,−7−4,−3−(−1)>
<−7,−7,−3>−<4,4,−1>=<−11,−11,−2>
||<−11,−11,−2>||=√(−11)2+(−11)2+(−2)2
||<−11,−11,−2>||=√121+121+4
||<−11,−11,−2>||=√245

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