Solve:-\n666 x 666 x 666 + 555 x 555 x 555 = ?(666 x 666 - 666 x 555 + 555 x 555)\nOptions:\n(A) 888\n(B) 333\n(C) 555\n(D) 1221\n(E) 889 Stream of consciousness first, then make a decision:
User
Given Exp. = (a3 + b3) = (a + b) = (666 + 555) = 1221(a2 - ab + b2)
Thus, the answer is (D).
Assistant