आव्यूह $A = \begin{bmatrix} 0 & 1 & 0 \\ 1 & 0 & 0 \\ 0 & 0 & 1 \end{bmatrix}$ का व्युत्क्रम (inverse) ज्ञात कीजिए।

  • A
    $A$
  • B
    $A^T$
  • C
    $\begin{bmatrix} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{bmatrix}$
  • D
    $\begin{bmatrix} 1 & 0 & 0 \\ 1 & 0 & 0 \\ 0 & 1 & 0 \end{bmatrix}$

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यदि $B = \begin{bmatrix} 1 & \alpha & 2 \\ 1 & 2 & 2 \\ 2 & 3 & 3 \end{bmatrix}$ एक $3 \times 3$ आव्यूह $A$ का सहखंडज (adjoint) है और $|A| = 5$ है,तो $\alpha$ का मान ज्ञात कीजिए।

यदि $A(\alpha) = \begin{bmatrix} \cos \alpha & \sin \alpha \\ -\sin \alpha & \cos \alpha \end{bmatrix}$ है,तो $[A^2(\alpha)]^{-1} = $

यदि $A = \begin{bmatrix} 2 & -3 \\ 5 & 4 \end{bmatrix}$ है,तो $A^{-1} = $ . . . . . . .

मान लीजिए $A = \begin{bmatrix} 1 & 2 \\ -2 & 1 \end{bmatrix}$ और $B^{-1} = \begin{bmatrix} 1 & 1 \\ 0 & 2 \end{bmatrix}$ है। यदि $(A B^{-1})^{-1} = \begin{bmatrix} a & b \\ c & d \end{bmatrix}$ है,तो $2b + 5c + 10d =$

${\left[ {\begin{array}{*{20}{c}}1&3\\3&{10}\end{array}} \right]^{ - 1}} = $

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