જો $A = \begin{bmatrix} 0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & a & 1 \end{bmatrix}$ અને $A^{-1} = \begin{bmatrix} 1/2 & -1/2 & 1/2 \\ -4 & 3 & c \\ 5/2 & -3/2 & 1/2 \end{bmatrix}$ હોય,તો:

  • A
    $a = 1, c = -1$
  • B
    $a = 2, c = -1/2$
  • C
    $a = -1, c = 1$
  • D
    $a = 1/2, c = 1/2$

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Similar Questions

જો $A = \begin{bmatrix} 3 & 1 \\ -1 & 2 \end{bmatrix}$ હોય,તો સાબિત કરો કે $A^{2} - 5A + 7I = 0$. આથી $A^{-1}$ શોધો.

જો $P(\theta) = \begin{bmatrix} 1 & \cot \theta \\ -\cot \theta & 1 \end{bmatrix}$ અને $PQ = I$ હોય,તો $(\csc^2 \theta)Q$ શોધો,જ્યાં $I$ એ $2 \times 2$ ક્રમનો એકમ શ્રેણિક છે.

જો $A(\alpha) = \begin{bmatrix} \cos \alpha & \sin \alpha \\ -\sin \alpha & \cos \alpha \end{bmatrix}$ હોય,તો $[A^2(\alpha)]^{-1} = $

જો શ્રેણિક $A = \begin{bmatrix} 3 & 2 & 4 \\ 1 & 2 & -1 \\ 0 & 1 & 1 \end{bmatrix}$ અને $A^{-1} = \frac{1}{K} \text{adj}(A)$ હોય,તો $K$ ની કિંમત શોધો.

જો $\begin{bmatrix} 2 & 1 \\ 3 & 2 \end{bmatrix} A \begin{bmatrix} -3 & 2 \\ 5 & -3 \end{bmatrix} = \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$ હોય,તો $A=$

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