શ્રેણિક $A$ ના નિશ્ચાયકનું ધન મૂલ્ય શોધો,જેનો $\operatorname{Adj}(\operatorname{Adj}(A)) = \begin{bmatrix} 14 & 28 & -14 \\ -14 & 14 & 28 \\ 28 & -14 & 14 \end{bmatrix}$ છે.

  • A
    $13$
  • B
    $14$
  • C
    $15$
  • D
    $16$

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ધારો કે $A = \begin{bmatrix} 1 & -1 & 2 \\ 3 & 0 & -2 \\ 1 & 0 & 3 \end{bmatrix}$. ચકાસો કે $A(\text{adj } A) = (\text{adj } A) A = |A| I$.

જો શ્રેણિક $A = \begin{bmatrix} 1 & 2 \\ 4 & 3 \end{bmatrix}$ માટે $AX = I$ હોય,તો $X = \dots$

જો $A = \begin{bmatrix} 2 & -3 \\ -4 & 1 \end{bmatrix}$ હોય,તો $\text{adj}(3A^2 + 12A)$ ની કિંમત શોધો.

જો $A = \begin{bmatrix} 5 & 2 \\ 3 & 1 \end{bmatrix}$ હોય,તો $A^{-1} = $

જો $A = \begin{bmatrix} 1 & 2 & 1 \\ 3 & 1 & 3 \end{bmatrix}$ અને $B = \begin{bmatrix} 2 & 3 \\ 1 & 2 \\ 1 & 2 \end{bmatrix}$ હોય,તો $(AB)^{-1} =$

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