What is the value of a11A11 + a12A12 + a13A13 with respect to determinant A of order 3 wher aij - Maths - Matrices

Question

What is the value of a11A11 + a12A12 + a13A13 with respect to
determinant A of order 3 wher aij and Aij represent the element and
the cofactor of element of the ith row and jth column respectively
in determinant A?

Lovina Kansal · Accepted Answer

Kindly refer the similar link for your query

https://www meritnation
com/ask-answer/question/on-expanding-d-1strow-d-value-of-a-3rd-order-determinant/vector-algebra/8874535
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What is the value of a11A11 + a12A12 + a13A13 with respect to determinant A of order 3 wher aij and Aij represent the element and the cofactor of element of the ith row and jth column respectively in determinant A?