Question

What is the norm or `< 4 , 3 , -2 >`?

Answer 1

`sqrt(29)`

Explanation:

In the space `RR^3` the most commonly used norm is that it gives the length of the vector. ie

`|vec(u)| = sqrt(u_1^2+u_2^2+u_3^2)`

`vec(u) = (4,3,-2)`

`|vec(u)| = sqrt(4^2+3^2+(-2)^2) = sqrt(29)`