Using properties of sets show that for any two sets A and B, (A union B) intersection (A union B')=A.

Using distributive property,ABAB'=ABB'=Aϕ=ASo your answer is also correct.

  • 10
In meritnation answers as well as in RD solution is done is a different way from mine. Pls check my soln.LHSA U (B intersection B')=A U (Phi) =A. Hence LHS=RHS
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