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If the system of linear equations2x+y−z=3x−y−z=α3x+3y+βz=3has infinitely many solutions, then (α+β−αβ) is equal to |
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Answer» If the system of linear equations 2x+y−z=3 x−y−z=α 3x+3y+βz=3 has infinitely many solutions, then (α+β−αβ) is equal to |
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