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FAQs on Board Paper Solutions
Definition and Determinant of order 1 order 2
Determinant of order 3
Determinant calculation by sarrus diagram
Determinant of matrix order >=4
Definition and example
Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with their cofactors is always equal to `|A|`
Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with the cofactors of the corresponding elements of some other row (column) is 0.
Let A be a square matrix of order n then `|A| = |A^T|`
Let `A=[a_(ij)]` be a square matrix of order `n>=2` and let B be a matrix obtained from A by interchanging any two rows (columns) of A then `|B|=-|A|`
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