If \[A=\left[ \begin{matrix} x & 1 \\ 1 & 0 \\ \end{matrix} \right]\]and \[{{A}^{2}}\] is the identity matrix, then x = [EAMCET 1993]

If \[A=\left[ \begin{matrix} x & 1 \\ 1 & 0 \\ \end{matrix} \right]\

1.	If \[A=\left[ \begin{matrix} x & 1 \\ 1 & 0 \\ \end{matrix} \right]\]and \[{{A}^{2}}\] is the identity matrix, then x = [EAMCET 1993]
A.	1
B.	2
C.	3
D.	0
Answer» E.

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If \[A=\left[ \begin{matrix} x & 1 \\ 1 & 0 \\ \end{matrix} \right]\]and \[{{A}^{2}}\] is the identity matrix, then x = [EAMCET 1993]

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