characteristic equation of matrix by simple formula | find the characteristic polynomial.

In this video I have discussed the formula for calculating characteristic polynomial of matrix whose order is 2 or 3.

00:00-00:21 intro
00:22-01:41 formula for 2×2 matrix
01:42-02:31 example for 2×2 matrix
02:32-04:21 formula for 3×3 matrix
04:22-07:11 example for 3×3 matrix
07:12-7:26 conclusion


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