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$1+\alpha^2-\beta \gamma=0$
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