Ex: Find a 3x3 Determinant using Cofactor Expansion on Row 2

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This video explains how to evaluate a determinant of a 3x3 matrix using cofactor expansion on row 2.
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Saved my LIFE (and test grade) thanks so much man!

eajninja
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so if the question just said using the cofactor expansion, find the determinant of the following matrix A i can use any row?

leb