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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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Using matrix method , solve the following system of linear equations: $5x+y-z=7, 4x-2y-3z=5, 7x+2y+2z=7.$

$\begin{array}{1 1} 1,1,1 \\1,1,-1 \\ 1,0,1\\ 1,2,1 \end{array} $

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