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Math Help - f (n)

  1. #1
    Member
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    Nov 2006
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    f (n)

    Refer to the diagram of the circle inscribed in a
    quadrilateral ABCD with the points of tangency at M, N, P,
    and Q. For each positive integer n, a diagram is drawn like
    this in which lengths of line segments are

    AQ = AM = n,
    BM = BN = n + 1,
    CN = CP = n + 2, and
    DP = DQ = n + 3.
    The radius of the circle is \sqrt{f (n)} , where  f (n)  is a
    polynomial function in n.
    Find f (n)
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  2. #2
    Member Nacho's Avatar
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    Mar 2008
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    Santiago, Chile
    Posts
    135
    this quadrilateral has not sense, because must to serve: DA+CB=DC+AB, but whit data: 4n+6=4n+7 <=> 6=7?
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