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GATE Overflow | Mock GATE | Test 1 | Question: 52

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$\begin{bmatrix} 2 & 2 & 1 \\ 1 & 3 & 1 \\ 1 & 2 & 2 \end{bmatrix}$
For the above given matrix $A,$

$A^3 -7A^2 +10A = $

  1. $5I+A$
  2. $5I-A$
  3. $A-5I$
  4. $6I$
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