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For the matrix A = [[1,1,1],[1,2,-3],[2,...

For the matrix `A = [[1,1,1],[1,2,-3],[2,-1,3]]` Show that `A^3-6A^2+5A+11I=O` Hence, find `A^-1`

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PRADEEP PUBLICATION-DETERMINANTS-EXERCISE
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  3. For the matrix A = [[1,1,1],[1,2,-3],[2,-1,3]] Show that A^3-6A^2+5A+1...

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