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Finding determinant of 4x4 matrix

This video explains how to find the determinant of a 4x4 matrix. My Website: https://www.video-tutor.net Patreon Donations: https://www.patreon.com/MathScienceTutor

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Determinant of 4x4 Matrix (Calculation and solved Examples)

So we want to find the determinant of A. Let me rewrite A right here. It's 1, 2, 2, 1, 1, 1, 2, 4, 2, 2, 7, 5, 2, minus 1, 4, minus 6, 3. Now let's try to get this into upper triangular form. So let's replace the second row

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Determinant

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