Convert the vector `vecr=3hati+2hatj` into a unit vector.

Explanation

Given , `vec(r) = 3 hat(i) + 2 hat(j)`
Formula, `hat(r) = (vec(r))/(|vec(r)|)= (3 i + 2j)/(sqrt(3^(2) +2^(2)))= (3i +2j)/(sqrt(13))=`