If A=x110 and A2 is the identity matrix, then x = _________________. – InterviewSolution

InterviewSolution

1.	If A=x110 and A2 is the identity matrix, then x = _________________.
Answer» If $A = [\begin{matrix} x & 1 \\ 1 & 0 \end{matrix}]$ and A² is the identity matrix, then x = _________________.

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