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Math Help - ellipse problem

  1. #1
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    ellipse problem

    prove that if if perpendiculars are drawn on any tangent on ellipse from its focii the points on which the tangent is obtained lies on auxillary circle
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  2. #2
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    Quote Originally Posted by prasum View Post
    prove that if if perpendiculars are drawn on any tangent on ellipse from its focii the points on which the tangent is obtained lies on auxillary circle
    I've some difficulties to understand your question, sorry!

    So I've made a sketch of the situation as far as I understand it.
    Attached Thumbnails Attached Thumbnails ellipse problem-ellips_tangnormhilfskrs.png  
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  3. #3
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    i mean

    if S1N1 AND S2N2 ARE PERPENDICULARS FROM POINT S1 AND S2 OF AN ELLIPSE UPON ANY TANGENT TO ELLIPSE PROVE THAT N1 AND N2 LIE ON AUXILLARY CIRCLE
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