The sum of the products of the elements of any row of a determinant with the…

MATHEMATICS · Single correct · CBSE · Mathematics · Determinants · Determinants

Problem

The sum of the products of the elements of any row of a determinant AA with the co-factors of same row is always equal to (a) 1 (b) 0 (c) ∣A∣|A| (d) 12∣A∣\frac{1}{2}|A|

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