A = {6, 7, 8, 9}, B = {4, 6, 8, 10} and C = (x : x (1) A-B (2) B-C (3) B-(A-C) (4) A-(BUC) (5)
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Answer:
A-B
Step-by-step explanation:
as it is a formula so the 1 option is correct answer
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