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Consider a determinant D=|(a,b),(c,d)| w...

Consider a determinant `D=|(a,b),(c,d)|` where `a, b, c, d in {0, 1}` If `n` denote the total number of determinants whose entries are 0 or 1 only and m denote the number of determinants with non zero value,then the ratio `m/n` equals (A) `3/16` (B) `4/16` (C) `6/16` (D) `8/16`

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