What is $|| <-7, 31, -3 > - < 4 , 4, -1 > ||$ ?

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Answer 1 · 2018-01-08T16:04:31

The answer is $=29.2$

Start by calculating

$<-7,31,-3> - <4,4,-1> = <-11, 27, -2>$

The modulus is

$||<-11, 27, -2>|| = sqrt((-11)^2+(27)^2+(-2)^2)$

$=sqrt(854)$

$=29.2$

What is || <-7, 31, -3 > - < 4 , 4, -1 > |||| <-7, 31, -3 > - < 4 , 4, -1 > ||?