Let $A$ be a $3 \times 3$ matrix such that $A^2 - 5A + 7I = 0$.
Statement-$I$: ${A^{-1}} = \frac{1}{7}(5I - A)$.
Statement-$II$: The polynomial $A^3 - 2A^2 - 3A + I$ can be reduced to $5(A - 4I)$.

  • A
    Both the statements are true
  • B
    Both the statements are false
  • C
    Statement-$I$ is true,but Statement-$II$ is false
  • D
    Statement-$I$ is false,but Statement-$II$ is true

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