if a is a 3 × 3 matrix such that |5.adj a|=5, then |a| is equal to

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$if element of matrix a is defined as a=[a_ij]3×3 where a={■(〖(-1)〗^(i-j)&ij@2&i=j@〖(-1)〗^(i j)&ij)┤,$ 3:24

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