C-03-Q099mediumsingle_mcqa3−b3a−b=?\frac{a^3 - b^3}{a - b} = ?a−ba3−b3=? (a≠ba \neq ba=b)aa2+ab+b2a^2 + ab + b^2a2+ab+b2ba2−ab+b2a^2 - ab + b^2a2−ab+b2ca2+b2a^2 + b^2a2+b2d(a−b)2(a-b)^2(a−b)2