C-09-Q067mediumsingle_mcqValue of (a1/3−b1/3)(a2/3+a1/3b1/3+b2/3)(a^{1/3} - b^{1/3})(a^{2/3} + a^{1/3}b^{1/3} + b^{2/3})(a1/3−b1/3)(a2/3+a1/3b is:aa+ba + ba+bba−ba - ba−bca3−b3