MCQ
यदि $\left|\begin{array}{cc}2 x & 5 \\ 8 & x\end{array}\right|=\left|\begin{array}{cc}6 & -2 \\ 7 & 3\end{array}\right|$, तब तब का मान है
  • A
    3
  • B
    $\pm 3$
  • $\pm 6$
  • D
    6

Answer

Correct option: C.
$\pm 6$
C

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