Question: ( a ) Let A = { 1 , 2 , 3 , 4 } , B = { 3 k | k i n

(a) Let A={1,2,3,4},B={3k|kinZ-{-1,1}} and C={ninZ|n2+n=0}.
Which one of the following statements is True? Explain your answer
i.AB=O?
ii.B-C=O?
iii. BC=O?
iv.AC=O?
(a) Let A={1,2,3,4},B={3k|kinZ-{-1,1}} and C={ninZ|n2+n=0}. Which one of the following statements

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