$\mathrm{A}=\{1,2,3\}, \mathrm{B}=\{3,4\}, \mathrm{C}=\{4,5,6\}$ and N is the universal set . Then a

Question

$\mathrm{A}=\{1,2,3\}, \mathrm{B}=\{3,4\}, \mathrm{C}=\{4,5,6\}$ and N is the universal set . Then a wrong statement is

Professor PC Thomas Classes · Answer

$A^{\prime} 	imes B^{\prime}=(N-A) 	imes B^{\prime}=N 	imes B^{\prime}-A 	imes B^{\prime}$\ $=N 	imes(N-B)-A 	imes(N-B)$\ $=N 	imes N-N 	imes B-[A 	imes N-A 	imes B] 
eq(A 	imes B)^{\prime}$