C-03-Q010mediumsingle_mcq(a−b)2=?(a-b)^2 = ?(a−b)2=?aa2+2ab+b2a^2 + 2ab + b^2a2+2ab+b2ba2−2ab+b2a^2 - 2ab + b^2a2−2ab+b2ca2−b2a^2 - b^2a2−b2da2+b2a^2 + b^2a2+b2ব্যাখ্যাExpanding (a−b)2=(a−b)(a−b)(a-b)^2 = (a-b)(a-b)(a−b)2=(a−b)(a−b) gives a2−ab−ab+b2=a2−2ab+b2a^2 - ab - ab + b^2 = a^2 - 2ab + b^2a2−ab−ab+b2=a2−2ab+b2.