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     EduGorilla 
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    If f (x, y) = x3 + y3 ;     g (x, y) = x3 – y3;        h (x, y) =
    Which of the following is necessarily true?

    Options :-

    1. f (x, y)  g (x, y) = h (x, y)  h (x2 + y2, xy)
    2. f (x, y)  g (x, y) = (h (x, y))3
    3. (1) and (2) both are true
    4. f(x, y) + g(x, y) = h(x, y)
    5. None of these
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Reply To: If f (x, y) = x3 + y3 ;     g (x, y) = x3 – y3;        h (x, y) =Which….
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