1.

The system of equationsx + y + z = 6;x + 4y + 6z = 20;x + 4y + λz = μhas NO solution for values of λ and μ given by

A. λ = 6, μ = 20
B. λ = 6, μ ≠ 20
C. λ ≠ 6, μ = 20
D. λ ≠ 6, μ ≠ 20
Answer» C. λ ≠ 6, μ = 20


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