What is $|| < -2 , 3 , 1 > ||$ ?

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Answer 1 · 2016-12-10T00:58:39

$|| <−2,3,1>|| = sqrt(14)$

$|| <−2,3,1>|| = <−2,3,1>*<−2,3,1>$
$" " = sqrt((-2)^2+(3)^2+(1)^2)$
$" " = sqrt(4+9+1)$
$" " = sqrt(14)$

What is || < -2 , 3 , 1 > || || < -2 , 3 , 1 > || ?