Question

What is `|| <-9, 3, 3 > - < 6, -2, 1 > ||`?

Answer 1

`sqrt254`

Explanation:

Subtract corresponding components of the vectors.

`||< -15,5,2 > ||`

To find its length, we will apply the distance formula from `(0,0,0)`.

`||< -15,5,2 > ||=sqrt(15^2+5^2+2^2)=sqrt254`