MathematicsMedium244×since 2002Q4521Let A = [a_ij] and B = [b_ij] be two 3 × 3 real matrices such that b_ij = (3)^(i+j-2)a_ji, where i, j = 1, 2, 3. If the determinant of B is 81, then the determinant of A is:A3B13{1 \over 3}31C19{1 \over 9}91D181{1 \over {81}}811Check answerSkip