જો $2X+3Y=\left[\begin{array}{cc}2 & 3 \\ 4 & 0\end{array}\right]$ અને $3X+2Y=\left[\begin{array}{cc}2 & -2 \\ -1 & 5\end{array}\right]$ હોય,તો $X$ અને $Y$ શોધો.

  • A
    $X=\left[\begin{array}{cc}\frac{2}{5} & -\frac{12}{5} \\ -\frac{11}{5} & 3\end{array}\right], Y=\left[\begin{array}{cc}\frac{2}{5} & \frac{13}{5} \\ \frac{14}{5} & -2\end{array}\right]$
  • B
    $X=\left[\begin{array}{cc}\frac{1}{5} & -\frac{12}{5} \\ -\frac{11}{5} & 3\end{array}\right], Y=\left[\begin{array}{cc}\frac{2}{5} & \frac{13}{5} \\ \frac{14}{5} & -2\end{array}\right]$
  • C
    $X=\left[\begin{array}{cc}\frac{2}{5} & -\frac{12}{5} \\ -\frac{11}{5} & 2\end{array}\right], Y=\left[\begin{array}{cc}\frac{2}{5} & \frac{13}{5} \\ \frac{14}{5} & -2\end{array}\right]$
  • D
    $X=\left[\begin{array}{cc}\frac{2}{5} & -\frac{12}{5} \\ -\frac{11}{5} & 3\end{array}\right], Y=\left[\begin{array}{cc}\frac{1}{5} & \frac{13}{5} \\ \frac{14}{5} & -2\end{array}\right]$

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જો $A = \begin{bmatrix} 1 & 2 & -1 \\ 3 & 0 & 2 \\ 4 & 5 & 0 \end{bmatrix}$ અને $B = \begin{bmatrix} 1 & 0 & 0 \\ 2 & 1 & 0 \\ 0 & 1 & 3 \end{bmatrix}$ હોય,તો $AB$ શું થાય?

જો $A = \begin{bmatrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 0 \end{bmatrix}$ હોય,તો $A$ એ

ધારો કે $n \geq 2$ એક પૂર્ણાંક છે. $A = \begin{bmatrix} \cos (2 \pi / n) & \sin (2 \pi / n) & 0 \\ -\sin (2 \pi / n) & \cos (2 \pi / n) & 0 \\ 0 & 0 & 1 \end{bmatrix}$ અને $I$ એ $3$ કક્ષાનો એકમ શ્રેણિક છે. તો,

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