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

  • A
    $176$
  • B
    $208$
  • C
    $198$
  • D
    $234$

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Similar Questions

જો $A = \begin{bmatrix} 2 & -1 \\ -1 & 2 \end{bmatrix}$ એ રીતે હોય કે $A^2 - 4A + 3I = 0$,જ્યાં $I$ એ $2$ કક્ષાનો એકમ શ્રેણિક છે,તો $A^{-1}$ શું થાય?

જો ${A^2} - A + I = 0$ હોય,તો ${A^{-1}} = $

જો $A = \begin{bmatrix} 3 & 0 & 0 \\ 0 & -5 & 0 \\ 0 & 0 & 7 \end{bmatrix}$ અને $B = \begin{bmatrix} -1 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 4 \end{bmatrix}$ હોય, તો $(2A + 3B)^{-1}$ શોધો.

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

જો $|A| = -3$ અને $A^{-1} = \begin{bmatrix} 1 & 0 & 0 \\ -1 & \frac{1}{3} & 0 \\ 3 & \frac{2}{3} & -1 \end{bmatrix}$ હોય,તો $(\operatorname{adj} A)$ શું થાય?

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