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Math Help - Limit Question

  1. #1
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    Limit Question

    Lim x approaches 0 [(√x+4)-2]/x

    I believe you multiply by the conjugate of √ but i'm getting lost on the algebra. Thanks for your help!
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Re: Limit Question

    \frac{\sqrt{x+4}-2}{x}=\frac{(\sqrt{x+4}-2)(\sqrt{x+4}+2)}{x(\sqrt{x+4}+2)}=\frac{x}{ x(\sqrt{x+4}+2) }=\ldots
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  3. #3
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    Re: Limit Question

    Thanks 1/4 got it
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