Fill in the blanks to make each of the following a true statement :
$A \cap A^{\prime}=\ldots$
$A \cap A^{\prime}=\varnothing$
The shaded region in venn-diagram can be represented by which of the following ?
Let $U=\{1,2,3,4,5,6,7,8,9\}, A=\{1,2,3,4\}, B=\{2,4,6,8\}$ and $C=\{3,4,5,6\} .$ Find
$A^{\prime}$
${{\mathop{\rm U}\nolimits} ^\prime } \cap A = \ldots $
If $U=\{a, b, c, d, e, f, g, h\},$ find the complements of the following sets:
$D=\{f, g, h, a\}$
Draw appropriate Venn diagram for each of the following:
$(A \cup B)^{\prime}$
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