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    Question

    I. 8x² - 78x + 169 = 0 II. 20y² - 117y

    + 169 = 0
    A If x≥y Correct Answer Incorrect Answer
    B If x≤y Correct Answer Incorrect Answer
    C If x>y Correct Answer Incorrect Answer
    D If x Correct Answer Incorrect Answer
    E If x=y or relationship between x and y cannot be established. Correct Answer Incorrect Answer

    Solution

    I. 8x² - 78x + 169 = 0 => (4x - 13) (2x – 13) = 0 ⇒ x = 13/4 , 13/2 II. 20y² - 117y + 169 = 0 => (4y -13) (5y – 13) = 0 ⇒ y = 13/4 , 13/5 Hence, x ≥ y

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