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$The matrix [\begin{array}{ccc} 1 & - 1 & 2 \\ 3 & 2 & 1 \\ 5 & 2 & 3 \end{array}] is$

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Correct option is C

1−12321523=(6−2)+1(9−5)+2(6−10)=4+4−8=0the matrix is singular.

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The matrix 1−12321523 is

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$The matrix [\begin{array}{ccc} 1 & - 1 & 2 \\ 3 & 2 & 1 \\ 5 & 2 & 3 \end{array}] is$