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\(A = \begin{bmatrix} 3&1\\[0.3em] -1&2\end{bmatrix}\) show that A^2 – 5A + 7I = 0
+3
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asked
Mar 3, 2019
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Class 12
by
kratos
(A = \begin{bmatrix} 3&1\[0.3em] -1&2\end{bmatrix}) show that A2 – 5A + 7I = 0
adjoint
inverse of a matrix
matrices
determinants
class-12
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1
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+5
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answered
Jan 13, 2021
by
kratos
Best answer
= 25A2 - 70A + 49I
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