Question

If A = {3, 6, 9, 12, 15, 18}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12} and D = {5, 10, 15, 20, 25}, find:

D - A

Answer 1

A = {3,6,9,12,15,18}
D = {5,10,15,20,25}
D-A = {5,10,20,25}

Answer 2

A = {3,6,9,12,15,18}
D = {5,10,15,20,25}
D-A = {5,10,20,25} answer

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