A = [1.5, 1]
B = [6, 2]
C = [3, 3]
a)
A' = A + v = [1.5, 1] + [-2, 1] = [- 0.5, 2]
B' = B + v = [6, 2] + [-2, 1] = [4, 3]
C' = C + v = [3, 3] + [-2, 1] = [1, 4]
b)
A* = A + v* = [1.5, 1] + [2, -1] = [3.5, 0]
B* = B + v* = [6, 2] + [2, -1] = [8, 1]
C* = C + v* = [3, 3] + [2, -1] = [5, 2]
c)
A*A' = [- 0.5, 2] - [3.5, 0] = [-4, 2]
B*B' = ... = [-4, 2]
C*C' = ... = [-4, 2]