QUESTION 7 Use the following data for question 3 and 4. Here "U" represent the universal set. 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. Au (BN) O (q. r. w. y. z} O4 y. z) 69w.y) O4 s.u, w. y, z)

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