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Let A=[a(ij)] and B=[b(ij)] be two 3xx3 ...

Let `A=[a_(ij)] and B=[b_(ij)]` be two `3xx3` 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

A

`1//9`

B

`1//81`

C

3

D

`1//3`

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The correct Answer is:
A
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