Minors and Cofactors Evaluate the minor and cofactor using the matrix A.
The minor and cofactors of the matrix .
Let be an matrix. The minor of the element is the determinant of the matrix obtained by deleting the row and column of A. The cofactor of the element is given below.
Consider the matrix .
The minor is the determinant of the matrix obtained by deleting the first row and first column from A.
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