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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Matrices
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Q)

The roots of the equation $\begin{vmatrix}x-1&1&1\\1&x-1&1\\1&1&x-1\end{vmatrix}=0$ are

$\begin{array}{1 1}(A)\;1,2&(B)\;-1,2\\(C)\;1,-2&(D)\;-1,-2\end{array}$

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