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     EduGorilla 
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    If f (x, y) = x3n when x > y and f (x, y) = y3n when y > x.
    Then f (4, 5) – f (4, 3) is always divisible by (given n is an even number):

    Options :-

    1. 61
    2. 189
    3. both (1) and (2)
    4. 64
    5. 125
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Reply To: If f (x, y) = x3n when x > y and f (x, y) = y3n when y > x. Then f (4, 5) – f (4, 3) is always….
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