Question

if a and b are sets then ((a'union b')-a)'=?

Answer 1

Answer:

Let U = {1,2,3,4}

A= {1}

B={1,2}

A'= {2,3,4}

B'={3,4}

A'UB'= {2,3,4}

A'UB'-A={2,3,4}

(A'UB'-A)'={1}

So..

(A'UB'-A)'= A

Step-by-step explanation:

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