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)