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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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If \( A = \begin{bmatrix} 3 & 2 & 0 \\ 1 & 4 & 0 \\ 0 & 0 & 5 \end{bmatrix},\) show that \( A^2-7A+10I=0.\) Hence , find \( A^{-1} \)

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