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This tutorial explains how to find the determinant of 3x3 using the short trick which is known as triangle's rule and sarrus's rule. Later in this tutorial, you will learn to find the determinant of 4x4 matrix.
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0:00 Determinant of 3x3 matrix short trick
3:17 Determinant of 3x3 matrix using triangle's rule
4:47 Determinant of 4x4 matrix
11:12 Proof of the trick
#360Mathematics #Mathtricks #Determinant