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Simplifying Determinant

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Examples, solutions, videos, worksheets, and activities to help Algebra students learn how to simplify determinants.

Simplifying Determinants
Finding the determinant of a 3x3 square matrix or a larger square matrix can involve a lot of computation. To reduce the amount of computation, we can use methods for simplifying determinants. These methods for simplifying determinants involve using row or column operations to change some entries of the matrix to zeros.

Calculating a 4x4 determinant by putting in in upper triangular form first.

4x4 Determinant via Row Reduction
The example of 4x4 Determinant where row reduction makes computation significantly easier in comparison to direct minor method.

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