જો શ્રેણિક $\left[\begin{array}{cc}1 & -1 \\ 2 & 3\end{array}\right]$ નો વ્યસ્ત શ્રેણિક અસ્તિત્વ ધરાવતો હોય,તો તે શોધો.

  • A
    $A^{-1}=\left[\begin{array}{cc}\frac{3}{5} & \frac{1}{5} \\ -\frac{2}{5} & \frac{1}{5}\end{array}\right]$
  • B
    $A^{-1}=\left[\begin{array}{cc}\frac{1}{5} & \frac{1}{5} \\ -\frac{2}{5} & \frac{3}{5}\end{array}\right]$
  • C
    $A^{-1}=\left[\begin{array}{cc}\frac{3}{5} & -\frac{1}{5} \\ \frac{2}{5} & \frac{1}{5}\end{array}\right]$
  • D
    $A^{-1}=\left[\begin{array}{cc}\frac{1}{5} & -\frac{1}{5} \\ \frac{2}{5} & \frac{3}{5}\end{array}\right]$

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Similar Questions

જો $A = \begin{bmatrix} 0 & 1+2i & i-2 \\ -1-2i & 0 & K \\ 2-i & -7 & 0 \end{bmatrix}$ અને $A^{-1}$ અસ્તિત્વ ધરાવતું ન હોય,તો $K = $ (જ્યાં $i = \sqrt{-1}$)

જો $A = \begin{bmatrix} 2 & -3 \\ 5 & 4 \end{bmatrix}$ હોય,તો $A^{-1} = $ . . . . . . .

જો $\text{adj} \begin{bmatrix} 1 & 0 & 2 \\ -1 & 1 & -2 \\ 0 & 2 & 1 \end{bmatrix} = \begin{bmatrix} 5 & m & -2 \\ 1 & 1 & 0 \\ -2 & -2 & n \end{bmatrix}$ હોય, તો $m+n=$

શ્રેણિક $A = \begin{bmatrix} a & b \\ c & d \end{bmatrix}$ નો વ્યસ્ત શ્રેણિક શું થાય?

જો $A = \begin{bmatrix} \cos \alpha & \sin \alpha \\ -\sin \alpha & \cos \alpha \end{bmatrix}$ અને $A \text{ adj } A = \begin{bmatrix} k & 0 \\ 0 & k \end{bmatrix}$ હોય,તો $k$ ની કિંમત શું થાય :-

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