In each part, determine whether the given vectors span R³.
Part A: v₁= (2, 2, 2) , v₂=(0, 0, 3) , v₃= (0, 1, 1)
Part B: v₁= (2, -1, 3) , v₂=(4, 1, 2) , v₃= (8, -1, 8)
Part C: v₁= (3, 1, 4) , v₂=(2, -3, 5) , v₃= (5, -2, 9) , v₄= (1, 4, -1)