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

  • A
    $\begin{bmatrix} 1 & 1 \\ 2 & 1 \end{bmatrix}$
  • B
    $\begin{bmatrix} 2/3 & 1/3 \\ 1/3 & 2/3 \end{bmatrix}$
  • C
    $\begin{bmatrix} 1/3 & 1/3 \\ 2/3 & 1/3 \end{bmatrix}$
  • D
    इनमें से कोई नहीं

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यदि $A = \begin{bmatrix} 4 & 1 \\ 3 & 2 \end{bmatrix}$ और $I = \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$ है,तो ${A^2} - 6A = $

यदि $A = \begin{bmatrix} 2 & 2 \\ a & b \end{bmatrix}$ और $A^2 = O$ है,तो $(a, b) = $

यदि $R(t) = \begin{bmatrix} \cos t & \sin t \\ -\sin t & \cos t \end{bmatrix}$ है,तो $R(s) \cdot R(t) = $

यदि $A+2B = \begin{bmatrix} 1 & 2 & 0 \\ 6 & -3 & 3 \\ -5 & 3 & 1 \end{bmatrix}$ और $2A-B = \begin{bmatrix} 2 & -1 & 5 \\ 2 & -1 & 6 \\ 0 & 1 & 2 \end{bmatrix}$ है, तो $\operatorname{tr}(A)-\operatorname{tr}(B) =$

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