MCQ
यदि $A=\left[\begin{array}{ll}\alpha & 2 \\ 2 & \alpha\end{array}\right]$ और $|A|^3=125$, तो $\alpha$ का मान है
  • A
    $\pm 1$
  • B
    $\pm 2$
  • $\pm 3$
  • D
    $\pm 5$

Answer

Correct option: C.
$\pm 3$
C

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