#### Question

if A = `[(3,1),(-1,2)]` show that A2 – 5A + 7I = O. Hence find A^{–1}.

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#### Solution

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Solution for question: If a = [(3,1),(-1,2)] A2 – 5a + 7i = O. Hence Find A–1. concept: Adjoint and Inverse of a Matrix. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)