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Math Help - Bonus...

  1. #1
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    Bonus...

    Rationalize the Numerator:

    {(Sq. Root of X+h) - (Sq. root of X) / h}

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  2. #2
    MHF Contributor
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    Talking

    Quote Originally Posted by josh_lea View Post
    Rationalize the Numerator:

    {(Sq. Root of X+h) - (Sq. root of X) / h}
    You rationalize the numerator in the same way that you rationalize a denominator: by multiplying by the conjugate. So multiply, top and bottom, by:

    \sqrt{X\, +\, h}\, +\, \sqrt{X}

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