so basically you have an unknown circle that passes through (1,2) and (4,1), and is tangent to another circle x²+y²+2x-6y+5=0 at that point (1,2).
[x²+y²+2x-6y+5=0 has a center of (-1, 3) and a radius of √5.]
i know how to solve for a circle with 3 points; am I supposed to look for a third point? or is the fact that the circle is tangent to another circle even more relevant than it seems?
that's all that's given, it cannot be impossible, and i've seen something like it on Answers. immediate help would be gladly gladly appreciated.
2007-08-26
15:40:45
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2 answers
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asked by
crushedblackice
3