1.

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

Answer» If the system of linear equations

2x+yz=3

xyz=α

3x+3y+βz=3

has infinitely many solutions, then (α+βαβ) is equal to


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