C-03-Q033mediumsingle_mcq(a+b)(a−b)=?(a+b)(a-b) = ?(a+b)(a−b)=?aa2−b2a^2 - b^2a2−b2ba2+b2a^2 + b^2a2+b2c(a−b)2(a-b)^2(a−b)2d2ab2ab2ab