Question

If U={1,2,3,4...........20}, A={1,2,3,4,5} B={3,7,9,11}C={5,7,9,15,18} then find (a) (A-B)1 (b) (A-(BUC)1 )

Answer 1

Answer:

(a) (A-B)' = {1,2,4,5}

(b) (A-(BUC)'):-

BUC= 3,5,7,9,11,15,18

(A-(BUC)')= 1,2,4

Step-by-step explanation:

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