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  1. The first column of a Routh array is

    How many roots of the corresponding characteristic equation are in left half s-plane?

    2. A.
    2
    B.
    3
    C.
    4
    D.
    5

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    Answer : Option B

    Explanation :

    Total number of roots is 5. Since two sign changes in first column, two roots are in right half plane.

    Hence 3 roots in left half plane.

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