Question

if U={0,1,2,3,4,5,6,7,8,9}, A{0,2,4,6,8} andB={0,3,5,7,9} verify (A U B)'=A'UB
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Answer 1

(AUB)'={1}

A'=U-A={1,3,5,7,9}

B'=U-A={1,2,4,6,8}

A'UB'={1}

PROOF THAT SOLVE