Fill in the blanks

The sum of the products of elements of any row with the co-factors of corresponding elements is equal to ___.


The sum of the products of elements of any row with the co-factors of corresponding elements is equal to Δ (Determinant).

Explanation:


If ,


then |A| = a11C11 + a12C12 + a13C13


= Sum of products of elements of R1 with their corresponding cofactors


= Δ (Determinant)


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