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    Question

    For what values of k does the equation x┬▓ тАУ (k+1)x +

    k = 0 have two distinct real roots, both greater than 1?
    A 2 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    D Can't be determined Correct Answer Incorrect Answer

    Solution

    ATQ,

    Discriminant > 0 gives k тЙа 1 But f(1) = 0, so one root = 1 тЖТ cannot have both roots >1 No real k satisfies the condition.

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