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The document discusses formulas for calculating the determinant of a matrix. It begins by introducing the properties of the determinant and uses them to derive the formula for calculating the 2x2 determinant. It then presents the formula for calculating the 3x3 determinant, which involves summing the determinants of 27 smaller matrices, with most being zero. The formula can be generalized to an nxn matrix as the sum of n! terms, with each term being the product of entries corresponding to a permutation of t

Author

CaseyJ.Li

Language

EN