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11 April, 23:04

The least common denominator of the rational numbers x^2-y^2 / (x^2-8x+15) and y^2/15 (x^2-6x+9) is

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  1. 11 April, 23:18
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    15 (x - 5) (x - 3) ²

    Step-by-step explanation:

    factor both denominators and see what you need to do to make them equal ...

    (x² - y²) / [ (x - 5) (x - 3) ] y²/[15 (x - 3) (x - 3) ]

    the first denominator has (x - 5) (x - 3)

    the second denominator has 15 (x - 3) (x - 3),

    the least common denominator between them would be

    15 (x - 5) (x - 3) (x - 3) or 15 (x - 5) (x - 3) ²
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