Question

If A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}, find

(i) A × (B ∩ C)

Answer 1

Given:
A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}

(i) A × (B ∩ C)
Now,

(B ∩ C)  = {4}
∴ A × (B ∩ C)  = {(1, 4), (2, 4), (3, 4)}