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Math Help - optimization - Find an expression for the intensity I(x) at the point P.

  1. #1
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    optimization - Find an expression for the intensity I(x) at the point P.

    Hi guys i have attempted this question and got part a) wrong. I think the answers right and not sure what to change. Can someone please explain how the expression should look. Please look at the attachment for question.
    Attached Thumbnails Attached Thumbnails optimization - Find an expression for the intensity I(x) at the point P.-untitled545.png  
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  2. #2
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    Re: optimization - Find an expression for the intensity I(x) at the point P.

    I think the intensity is related to the the inverse of the square of the distance between the light and P, not just the inverse of the distance.
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