An ordered pair (…, …) for which the system of linear equations (1 + …) x + …y + z = 2 …x + (1 + …)y + z = 3 …x + …y + 2z = 2 has a unique solution, is :

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Matrices and Determinants

JEE Main 2019 · 12 Jan, Morning shift · Q4563

MathematicsMedium244×since 2002Q4563

An ordered pair (

\alpha

\beta

) for which the system of linear equations (1 +

\alpha

) x +

\beta

y + z = 2

\alpha

x + (1 +

\beta

)y + z = 3

\alpha

x +

\beta

y + 2z = 2 has a unique solution, is :