C$=\{$xR: x$2(2+2)$x$+22=0\}$andD$=\{$xQ: x$2(2+2)$x$+22=0\}.($a$)$ Describe the set A by listing its elements.$($b$)$ Give an example of three elements that belong to B but do not belong to A$.($c$)$ DescribethesetCbylistingitselements.$($d$)$ Describe the set D in another manner.$($e$)$ DeterminethecardinalityofeachofthesetsA,CandD