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If |{:(x,x+1),(x-1,x):}|=1, the find x (...

If `|{:(x,x+1),(x-1,x):}|=1,` the find x (x `in`R).

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To solve the problem \( | \begin{pmatrix} x & x+1 \\ x-1 & x \end{pmatrix} | = 1 \), we will calculate the determinant and set it equal to 1. ### Step 1: Calculate the determinant The determinant of a 2x2 matrix \( \begin{pmatrix} a & b \\ c & d \end{pmatrix} \) is given by the formula: \[ |A| = ad - bc ...
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