Question

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

Answer 1

The answer is `=29.2`

Explanation:

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`