C-03-Q068mediumsingle_mcq(a+b)3=?(a+b)^3 = ?(a+b)3=? (Formula 6)aa3+b3a^3 + b^3a3+b3ba3+3a2b+3ab2+b3a^3 + 3a^2 b + 3ab^2 + b^3a3+3a2b+3ab2+b3ca3+3a2b−3ab2+b3a^3 + 3a^2 b - 3ab^2 + b^3a3+3a2b−3ab2+b3da3+b3+3aba^3 + b^3 + 3aba3+b3+3abব্যাখ্যাThe standard cube expansion is (a+b)3=a3+3a2b+3ab2+b3(a+b)^3=a^3+3a^2b+3ab^2+b^3(a+b)3=a3+3a2b+3ab2+b3, with both middle terms positive.