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    The system of equations: X+Y+Z=5 X+2Y+3Z=9 X+3Y+λz=μ has a unique solution, if
    Question

    The system of equations:
    X+Y+Z=5
    X+2Y+3Z=9
    X+3Y+λz=μ has a unique solution, if

    A.

    λ=5, μ=7

    B.

    λ=5, μ=13

    C.

    λ≠5

    D.

    μ≠13

    Correct option is C

    Given
    x+y+z=5
    x+2y+3z=9
    x+3y+λz=μ

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