$3 \times 4$ શ્રેણિકની રચના કરો,જેના ઘટકો $a_{i j}=\frac{1}{2}|-3 i+j|$ દ્વારા આપવામાં આવ્યા છે.

  • A
    $A=\begin{bmatrix} 1 & \frac{1}{2} & 0 & \frac{1}{2} \\ \frac{5}{2} & 2 & \frac{3}{2} & 1 \\ 4 & \frac{7}{2} & 3 & \frac{5}{2} \end{bmatrix}$
  • B
    $A=\begin{bmatrix} 1 & \frac{3}{2} & 0 & \frac{1}{2} \\ \frac{5}{2} & 2 & \frac{3}{2} & 1 \\ 4 & \frac{7}{2} & 3 & \frac{3}{2} \end{bmatrix}$
  • C
    $A=\begin{bmatrix} 1 & \frac{1}{2} & 0 & \frac{1}{2} \\ \frac{7}{2} & 2 & \frac{3}{2} & 1 \\ 4 & \frac{-7}{2} & 3 & \frac{5}{2} \end{bmatrix}$
  • D
    $A=\begin{bmatrix} 1 & \frac{-1}{2} & 0 & \frac{1}{2} \\ \frac{5}{2} & 2 & \frac{3}{2} & 1 \\ 4 & \frac{7}{2} & -3 & \frac{5}{2} \end{bmatrix}$

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જો $A = \begin{bmatrix} 1 & 2 & -1 \\ -1 & 0 & 2 \\ 1 & 2 & 0 \end{bmatrix}$ અને $B = \begin{bmatrix} -3 & -2 & 4 \\ 2 & 2 & -1 \\ -2 & 0 & 3 \end{bmatrix}$ હોય, તો $A^2 = $

જો $A = \begin{bmatrix} \sqrt{3} & 1 & -1 \\ 2 & 3 & 0 \end{bmatrix}$ અને $B = \begin{bmatrix} 2 & \sqrt{5} & 1 \\ -2 & 3 & \frac{1}{2} \end{bmatrix}$ હોય,તો $A + B = \dots \dots \dots$ શોધો.

જો $A = \begin{bmatrix} x & 1 \\ 1 & 0 \end{bmatrix}$ અને $A^2$ એ એકમ શ્રેણિક (identity matrix) હોય,તો $x =$

જો $A$ એક ચોરસ શ્રેણિક હોય જેના માટે $a_{ij} = i^2 - j^2$ હોય,તો $A$ એ

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

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