If A = [ cc x & 1 -1 & -x ], satisfy the equation A ^2=0, then x … - Vidyadip

Question

If $A =\left[\begin{array}{cc}x & 1 \\ -1 & -x\end{array}\right]$, satisfy the equation $A ^2=0$, then $x$ $=$ __________ .

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Answer

$\pm 1$

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