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    Question

    If x + y = 12 and x┬▓ + y┬▓ = 74, find

    xy.
    A 20 Correct Answer Incorrect Answer
    B 35 Correct Answer Incorrect Answer
    C 65 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    ATQ, (x + y)┬▓ = x┬▓ + 2xy + y┬▓ 144 = 74 + 2xy xy = 35

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