यदि $A = \begin{bmatrix} 2 & -1 \\ -1 & 2 \end{bmatrix}$ है,और $A^{2} - 4A + 3I = 0$ है,तो $A^{-1} =$

  • A
    $\frac{-1}{3} \begin{bmatrix} 2 & 1 \\ 1 & 2 \end{bmatrix}$
  • B
    $\frac{-1}{3} \begin{bmatrix} 2 & -1 \\ -1 & 2 \end{bmatrix}$
  • C
    $\frac{1}{3} \begin{bmatrix} -2 & -1 \\ 1 & -2 \end{bmatrix}$
  • D
    $\frac{1}{3} \begin{bmatrix} 2 & 1 \\ 1 & 2 \end{bmatrix}$

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आव्यूह $A = \begin{bmatrix} a & b \\ c & d \end{bmatrix}$ का व्युत्क्रम (inverse) क्या है?

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