G = {(x,y)| (49x2 - 55y) divided by 4, x and y integers). Show that G is an equivalence relation? If Yes, look for the equivalent classes. By using the relation & above, show that GG G For example G = {(x,y)| (49x2 - 55y) divided by 4, x and y integers). H = {(x,y) | x + y2 even number, x and y integers) Show that G G C G and GCH G