MCQ
यदि $A=\left[\begin{array}{cc}\alpha & \beta \\ \gamma & -\alpha\end{array}\right]$, इस प्रकार है कि $A^2=1$,तो
  • A
    $1+\alpha^2+\beta y=0$
  • B
    $1-\alpha^2+\beta \gamma=0$
  • $1-\alpha^2-\beta \gamma=0$
  • D
    $1+\alpha^2-\beta \gamma=0$

Answer

Correct option: C.
$1-\alpha^2-\beta \gamma=0$
C

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