MCQ
यदि $A=\left[\begin{array}{ll}\alpha & q \\ q & \alpha\end{array}\right]$ तथा $\left[A^3\right]=125$ तब $\alpha=$
  • $\pm 3$
  • B
    $\pm 2$
  • C
    $\pm 5$
  • D
    $0$

Answer

Correct option: A.
$\pm 3$
(A)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free