Q. 434.0( 4 Votes )

If X and Y are tw

Answer :

Given: X and Y are two sets


To find: X (X Y)′


X (X Y)′


{ A’ B’ = (A B)’}


= X (X’ Y′)


= (X X’) (X Y’)


= Φ (X Y’)


{ A’ A = Φ}


= Φ


{ Φ A = Φ}


Hence, X (X Y)′= Φ

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