Question

If A = [1, 2, 3, 4), B = {3,4,5,6) and C = {1, 2, 4, 6, 7), then find
i) AUB
ii) BUC
iii) (AUB)UC
iv) ANBUC
V) AU(BUC) vi) A-(BUC) vii) (A-B)U(A-C)
41 and B = {3,4}, then verify the following laws.
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Answer 1

If A={1,2,3,4} , B = {3,4,5,6} , C ={1,2,4,6,7}

FIND :-

AUB = {1,2,3,4,5,6,}

BUC = {1,2,3,4,5,6,7}

(AUB)UC= AUB = {1,2,3,4,5,6} = its union with C =

(AUB)UC = {1,2,3,4,6,7}