List the Elements in the Set - $\left( \mathrm { B } ^ { \prime } \cap \mathrm { C } \right) ^ { \prime } \cup \mathrm { A }$

question 169

Multiple Choice

List the elements in the set . Let
$\begin{array} { l } \mathrm { U } = \{ \mathrm { q } , \mathbf { r } , \mathrm { s } , \mathrm { t } , \mathbf { u } , \mathrm { v } , \mathbf { w } , \mathbf { x } , \mathrm { y } , \mathrm { z } \} \\\mathrm { A } = \{ \mathrm { q } , \mathrm { s } , \mathrm { u } , \mathbf { w } , \mathrm { y } \} \\\mathrm { B } = \{ \mathrm { q } , \mathrm { s } , \mathrm { y } , \mathrm { z } \} \\\mathrm { C } = \{ \mathrm { v } , \mathbf { w } , \mathbf { x } , \mathrm { y } , \mathrm { z } \}\end{array}$
- $\left( \mathrm { B } ^ { \prime } \cap \mathrm { C } \right) ^ { \prime } \cup \mathrm { A }$

• A) \(\{ q , s , u , v , w , x , y \}\)
• B) \(\{ q , s , u , y \}\)
• C) \(\{ q , r , s , t , u , v , w , x , y \}\)
• D) \(\{ q , r , s , t , u , w , y , z \}\)

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