`vec(A)` is a vector with magnitude A, then the unit vector `hat(A)` in the direction `vec(A)` is

Options

A. `A vec(A)`
B. `vec(A).vec(A)`
C. `vec(A) xx vec(A)`
D. `vec(A)//A`

Answer

D

Explanation

Unit vector `hat(A)` in the direction of `vec(A) = (vec(A))/(|vec(A)|)= (vec(A))/(A)`