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Mathematics, 27.05.2021 01:00 Lydiaxqueen

What is the determinant of the coefficient matrix of the system {-x-y-z=-3 -x-y-z=8 3x+2y+z=0

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What is the determinant of the coefficient matrix of the system {-x-y-z=-3 -x-y-z=8 3x+2y+z=0...
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