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    Question

    If x/y + y/x = 1 and x + y = 2, then the value of x┬│ +

    y┬│ is:
    A 1 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    D 2 Correct Answer Incorrect Answer

    Solution

    Simplify= x/y + y/x = 1 (x2+y2)/xy =1 ┬а x┬▓ + y┬▓ = xy Use the identity. x┬│ + y┬│ = (x+y) (x┬▓ - xy + y┬▓): =2(xy-xy) =2├Ч0 x┬│ + y┬│=0

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