Draw appropriate Venn diagram for each of the following:
$A^{\prime} \cap B^{\prime}$
If $U=\{a, b, c, d, e, f, g, h\},$ find the complements of the following sets:
$B=\{d, e, f, g\}$
Fill in the blanks to make each of the following a true statement :
$A \cup A^{\prime}=\ldots$
If $U=\{a, b, c, d, e, f, g, h\},$ find the complements of the following sets:
$D=\{f, g, h, a\}$
Fill in the blanks to make each of the following a true statement :
${{\mathop{\rm U}\nolimits} ^\prime } \cap A = \ldots $