If the vectors in Exercise 3 are translated so that their heads are at the point (3, 2, 1), find the points that correspond to their tails.
In exercise 3
(a) a = [0, 2, 0]
(b) b = [3, 2, l]
(c) c = [l , - 2, l]
(d) d = [- 1, - 1 , - 2]