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Math Help - Normal of a curve

  1. #1
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    Normal of a curve

    Hi all,

    I am trying to find the normal of a curve alpha.

    I have got tangent = d(alpha) / d(s)
    and k*normal = d(tangent) / d(s)

    So I could work out k and then do (d(tangent) / d(s)) / k but my problem sheet does it a different way and then implies k from the above equation (it doesn't specify how though!)

    Thanks for any help
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  2. #2
    MHF Contributor
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    Re: Normal of a curve

    Hey PStudent175.

    Can you outline specifically how your textbook does it?
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