જો $A=\begin{bmatrix} 1 & 0 & -2 \\ -2 & -1 & 2 \\ 3 & 4 & 1 \end{bmatrix}$ હોય,તો $A^{-1}=$

  • A
    $A^2-2A-4I$
  • B
    $A^2-A-3I$
  • C
    $\frac{1}{2}(A^2+A+2I)$
  • D
    $A^2+A-2I$

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જો $A = \begin{bmatrix} 1 & 2 & 3 \\ 1 & 3 & 4 \\ 3 & 4 & 3 \end{bmatrix}$ હોય,તો $A^{-1} = $

જો $A = \begin{bmatrix} a & 0 & 0 \\ 0 & a & 0 \\ 0 & 0 & a \end{bmatrix}$ હોય,તો $|A| |adj A|$ ની કિંમત શોધો.

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જો $A = \begin{bmatrix} a & 1 & 2 \\ 1 & 2 & b \\ c & 1 & 3 \end{bmatrix}$ અને $\operatorname{Adj} A = \begin{bmatrix} 7 & -1 & -5 \\ -3 & 9 & 5 \\ 1 & -3 & 5 \end{bmatrix}$ હોય,તો $a^2 + b^2 + c^2 = $

$\begin{bmatrix} 4 & 7 \\ 1 & 2 \end{bmatrix}$ નો વ્યસ્ત શ્રેણિક શોધો.

જો $A$ એ $n$ કક્ષાનો વ્યસ્ત શ્રેણિક હોય, તો $\operatorname{adj} A$ નો નિશ્ચાયક કોના બરાબર થાય?

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