Question 1 Report
Find the non-zero positive value of x which satisfies the equation
\[ \left|\begin{matrix} x & 1 & 0 \\ 1 & x & x \\ 0 & 1 & x \end{matrix}\right| = 0 \]x(x2 - 1) - x = 0
= x3 - 2x = 0
x(x2 - 2) = 0
x = 2
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