An ordered pair (α, β) for which the system of linear equations array l (1+a) x+ y+z=2 a…
Mathematics · JEE Main · NTA Exams — Matrices and Determinants
An ordered pair (α, β) for which the system of linear equations
\(\begin{array}{l} (1+a) x+\beta y+z=2 \\ a x+(1+\beta) y+z=3 \\ a x+\beta y+2 z=2 \end{array}\)
has a unique solution, is:
- (-3, 1)
- (1, -3)
- (-4, 2)
- (2, 4)
Answer
(C) (-4, 2)
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