Question

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

Answer 1

`|| <−2,3,1>|| = sqrt(14)`

Explanation:

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