Question

Fill in the blanks to make each of the following a true statement :

(i) $A\cup A^{\prime }=........$ (ii) ${\Phi }^{\prime }\cap A=......$

(iii) $A\cap A^{\prime }=......$ (iv) $U^{\prime }\cap A=......$

Answer 1

(i) $A\cup A^{\prime }=U$ (ii) ${\Phi }^{\prime }\cap A=U\cap A=A$

(iii) $A\cap A^{\prime }=\Phi$ (iv) $U^{\prime }\cap A=\Phi \cap A=\Phi$