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If A = [(1, 2), (3, 4)], 8A^-4 = .... (a) 145A^-1 - 27I

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If A = [(1, 2), (3, 4)], 8A-4 = ....

(a) 145A-1 - 27I 

(b) 27I - 145A-1 

(c) 29A-1 + 9I 

(d) 145A-1 + 27I

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1 Answer

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Best answer

The correct option (b) 27I - 145A-1

Explanation:

The Characteristic equation of A is

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