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Let A = [a(ij)], B=[b(ij)] are two 3 × 3...

Let `A = [a_(ij)], B=[b_(ij)]` are two 3 × 3 matrices such that `b_(ij) = lambda ^(i+j-2) a_(ij)` & |B| = 81. Find |A| if `lambda` = 3.

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