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    Question

     If x satisfies x² – 14x + 40 = 0, find

    x.
    A 3 and 5 Correct Answer Incorrect Answer
    B 4 and 10 Correct Answer Incorrect Answer
    C 5 and 8 Correct Answer Incorrect Answer
    D 2 and 4 Correct Answer Incorrect Answer

    Solution

    ATQ, Discriminant = 196 – 160 = 36 Roots = (14 ± 6)/2 → 10, 4

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