आव्यूह $A = \begin{bmatrix} 1 & 1 & 0 \\ 1 & 2 & 1 \\ 2 & 1 & 0 \end{bmatrix}$ के लिए,निम्नलिखित में से कौन सा सही है?

  • A
    $A^3 + 3A^2 - I = O$
  • B
    $A^3 - 3A^2 - I = O$
  • C
    $A^3 + 2A^2 - I = O$
  • D
    $A^3 - A^2 + I = O$

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