Q. 434.0( 4 Votes )

# If X and Y are tw

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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