Matrices and Determinants Part 1
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An ordered pair (α,β) for which the system of linear equations
(1+α)x + βy+z = 2
αx+(1+β)y+z = 3
αx+βy+2z = 2 has a unique solution is
(1+α)x + βy+z = 2
αx+(1+β)y+z = 3
αx+βy+2z = 2 has a unique solution is
[12 Jan 2019 Shift 1]
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