Question

if U={1,2,3,4,5,6,7},A={2,3,5}andB={3,4,5,6}.Find the value of A'nB'​

Answer 1

A'=U-A

={1,4,6,7}

B'=U-B

={1,2,7}

now,A'nB'={1,7}

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