Question

1)let U={1,2,3,4,5,6,7),A={1,2,3,4},B={2,4,6}andC={3,4,5,6}find (b-c)'?
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Answer 1

Step-by-step explanation:

b-c={2}

(b-c)'=U-(b-c)

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

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

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