Question

Let U = {q, r, s, t, u, v, w, x, y, z}
A = {q, s, u, w, y}
B = {q, s, y, z}
C = {v, w, x, y, z}.

Determine the following.
A ∪ (B ∩ C)

Answer 1

(B ∩ C) = {y, z}
A ∪ (B ∩ C) = {q, s, u, w, y, z}

Answer 2

thanx