જો $A = \begin{bmatrix} k & 5 & 2 \\ 2 & -k & 5 \\ 5 & 2 & -k \end{bmatrix}$ અને $\det A = 190$ હોય, તો $\operatorname{Adj} A = $

  • A
    $\begin{bmatrix} -1 & 19 & 31 \\ 31 & -19 & -11 \\ 19 & 19 & -19 \end{bmatrix}$
  • B
    $\begin{bmatrix} -1 & 31 & 19 \\ 19 & -19 & 19 \\ 31 & -11 & -19 \end{bmatrix}$
  • C
    $\begin{bmatrix} -1 & 19 & 31 \\ -31 & -19 & -11 \\ 19 & 19 & -19 \end{bmatrix}$
  • D
    $\begin{bmatrix} -1 & -31 & 19 \\ 19 & -19 & 19 \\ 31 & -11 & -19 \end{bmatrix}$

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જો $A = \begin{bmatrix} \cos \theta & -\sin \theta \\ -\sin \theta & -\cos \theta \end{bmatrix}$ હોય,તો $A^{-1} =$

જો $K \in R_0$ હોય,તો $\det(adj(KI_n))$ ની કિંમત કેટલી થાય?

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