How to find the determinant of a 3x3 matrix

Start by writing out the matrix on top of itself or on paper if necessary.

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How to Find the Determinant of a 3X3 Matrix: 12 Steps

First, you must realize that this is a mathematical tool which uses a process known as Laplace expansion to quickly solve for the desired result.

Determinant of 3x3 Matrix

Finding the determinant of a 3x3 matrix can easily be accomplished with a few simple steps.

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