જો $A=\left[\begin{array}{lll}0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & 1 & 1\end{array}\right]$ હોય,તો $A^{-1}=$

  • A
    $\left(\frac{1}{2}\right)\left[\begin{array}{lll}0 & 1 & 2 \\ 3 & 2 & 1 \\ 4 & 2 & 3\end{array}\right]$
  • B
    $\left[\begin{array}{ccc}\frac{1}{2} & \frac{-1}{2} & \frac{1}{2} \\ -4 & 3 & -1 \\ \frac{5}{2} & \frac{-3}{2} & \frac{1}{2}\end{array}\right]$
  • C
    $\left[\begin{array}{ccc}\frac{1}{2} & -1 & \frac{5}{2} \\ 1 & -6 & 3 \\ 1 & 2 & -1\end{array}\right]$
  • D
    $\left(\frac{1}{2}\right)\left[\begin{array}{ccc}1 & -1 & -1 \\ -8 & 6 & -2 \\ 5 & -3 & 1\end{array}\right]$

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શ્રેણિક $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & 2 & -3 \\ 2 & -1 & 3 \end{bmatrix}$ માટે,સાબિત કરો કે $A^{3} - 6A^{2} + 5A + 11I = 0$. આથી,$A^{-1}$ શોધો.

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જો $A = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}$ હોય,તો $\operatorname{Adj}(\operatorname{Adj}(\operatorname{Adj} A)) = $

${\left[ {\begin{array}{*{20}{c}}{ - 6}&5\\{ - 7}&6\end{array}} \right]^{ - 1}}$ =

આપેલ શ્રેણિકનો વ્યસ્ત શ્રેણિક શોધો (જો અસ્તિત્વ ધરાવતો હોય તો): $\left[\begin{array}{lll}1 & 2 & 3 \\ 0 & 2 & 4 \\ 0 & 0 & 5\end{array}\right]$

કોઈપણ $2 \times 2$ શ્રેણિક $A$ માટે,જો $A(\text{adj } A) = \begin{bmatrix} 10 & 0 \\ 0 & 10 \end{bmatrix}$ હોય,તો $|A|$ ની કિંમત કેટલી થાય?

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