Cindyxkumaraz23go Cindyxkumaraz23go Math Answered given: {a,b,c,d,e,f,g,h,i,j} A= {a,b,c,d} b={d,g,i} c={c,d,h,j} find 1. A u B 2 B u C 3 a' 4 b' 5c'