यदि $A = \begin{bmatrix} 1 & 2 & x \\ 3 & -1 & 2 \end{bmatrix}$ और $B = \begin{bmatrix} y \\ x \\ 1 \end{bmatrix}$ इस प्रकार हैं कि $AB = \begin{bmatrix} 6 \\ 8 \end{bmatrix}$,तो:

  • A
    $y = 2x$
  • B
    $y = -2x$
  • C
    $y = x$
  • D
    $y = -x$

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