Question

If A=nXn, we apply 3-row.
operations
a A
then n =​

Answer 1

Answer:

The determinant of a 2×2 matrix is found much like a pivot operation. ... The determinant only exists for square matrices (2×2, 3×3, ... n×n). ... The minor is the determinant that remains when you delete the row and column of the ... If the row and column of the element add up to be an even number, then the cofactor is the ...