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  1. x + 2y + z = 4 
    2x + y + 2z = 5 
    x - y + z = 1 
    The system of algebraic equations given above has
    2. A.
    a unique solution of x = 1, y = 1 and z = 1.
    B.
    only the two solutions of (x = 1, y = 1, z = 1) and (x = 2, y = 1, z = 0).
    C.
    infinite number of solutions.
    D.
    no feasible solution.

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    Answer : Option C

    Explanation :

    -NA-

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