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  1. For the system with given characteristic equation
    s5 + 4s4 + 8s3 + 8s2 + 7s + 4 = 0
    The number of roots on left hand side, right hand side and imaginary axis are respectively.

    2. A.
    3, 2, 0
    B.
    4, 0, 1
    C.
    3, 0, 2
    D.
    4, 1, 0

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    Answer : Option D

    Explanation :

    Apply Routh Hurwitz criteria.

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