C-03-Q016mediumsingle_mcq(a−b)2=?(a-b)^2 = ?(a−b)2=? (Corollary 4)a(a+b)2+4ab(a+b)^2 + 4ab(a+b)2+4abb(a+b)2−4ab(a+b)^2 - 4abব্যাখ্যাFrom the same two expansions, (a−b)2=(a+b)2−4ab(a-b)^2 = (a+b)^2 - 4ab(a−b)2=(a+b)2− since the two perfect squares differ exactly by .