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18 June, 07:45

If x is equal to a square + b square, y is equal to a square - b square, compute xy

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  1. 18 June, 10:09
    0
    a^4 - b^4

    Step-by-step explanation:

    x = a^2 + b^2

    y = a^2 - b^2

    xy = (a^2 + b^2) (a^2 - b^2)

    xy = a^4 + (a^2 b^2) - (a^2 b^2) - b^4

    xy = a^4 - b^4
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