Easy Problem

October 20th, 2009 by ben Leave a reply »

A tangent line from the point (2 \cdot 1994, 2 \cdot 1994) to the circle x^2 + y^2 = 1994^2 touches the circle at the point (a,b). Compute a+b.

Credits – Southern California ARML, Oct. 2009, Individual round

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2 comments

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  1. Benji says:
    October 20, 2009 at 10:26 pm

    Okay, so maybe it wasn’t that easy.

    I got this problem wrong myself, so yeah.

  2. Benji says:
    October 20, 2009 at 10:49 pm

    Hanchan heroicly solved it!

    It seems this is actually kind of difficult… harder than I thought >.>”

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