Question

What is `|| < -4 , 8 , -5 > ||`?

Answer 1

`||< -4,8,-5 > ||=10,25 " unit"`

Explanation:

`||< -4,8,-5 > ||=sqrt((-4)^2+8^2+(-5)^2)`
`||< -4,8,-5 > ||=sqrt(16+64+25)`
`||< -4,8,-5 > ||=sqrt(105)`
`||< -4,8,-5 > ||=10,25`