જો $A=\begin{bmatrix} 4 & 5 \\ 2 & 1 \end{bmatrix}$ અને $A^{2}-5A-6I=0$ હોય,તો $A^{-1}=$

  • A
    $\frac{1}{6}\begin{bmatrix} -1 & 5 \\ 2 & 4 \end{bmatrix}$
  • B
    $\frac{1}{6}\begin{bmatrix} -1 & 5 \\ -2 & -4 \end{bmatrix}$
  • C
    $\frac{1}{6}\begin{bmatrix} -1 & 5 \\ 2 & -4 \end{bmatrix}$
  • D
    $\frac{1}{6}\begin{bmatrix} 1 & 5 \\ 2 & -4 \end{bmatrix}$

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શ્રેણિક $\left[\begin{array}{ccc}7 & -3 & -3 \\ -1 & 1 & 0 \\ -1 & 0 & 1\end{array}\right]$ નો વ્યસ્ત શ્રેણિક શોધો.

જો $Q$ એ $A$ નો વ્યસ્ત શ્રેણિક હોય,જ્યાં $A = \begin{bmatrix} 1 & -1 & 1 \\ 2 & 1 & -3 \\ 1 & 1 & 1 \end{bmatrix}$ અને $10Q = \begin{bmatrix} 4 & 2 & 2 \\ -5 & 0 & x \\ 1 & -2 & 3 \end{bmatrix}$ હોય,તો $x$ શોધો.

શ્રેણિક $\left[ {\begin{array}{*{20}{c}}3&{ - 2}&{ - 1}\\{ - 4}&1&{ - 1}\\2&0&1\end{array}} \right]$ નો વ્યસ્ત શ્રેણિક શોધો.

ધારો કે $A=\left[\begin{array}{ll}x & 1 \\ 1 & 0\end{array}\right]$,$x \in R^{+}$ અને $A^4=\left[a_{ij}\right]_2$. જો $a_{11}=109$ હોય,તો $\left(A^4\right)^{-1}=$

જો $A = \begin{bmatrix} 2 & 1 \\ 7 & 4 \end{bmatrix}$ હોય,તો $(A^2 - 5A)^{-1}$ શું થાય?

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