Let U: {q= r= s= Lu, v: w: x: 3:: z} A = {IL S: 11: W: F} B = $1: 5:322} C = {In \"1x: 3': 2} List the elements in the set resulting from the following operation: A Fl (B U C) a. {+q=r=w= 3-11} b_ {q=s=w=}'} : {mar} d. {:1: s=u=W,F=Z}