The figure shows two circles C and D of radius 1 that touch at P. The line T is a common
Chapter 11, Problem 79(choose chapter or problem)
The figure shows two circles C and D of radius 1 that touch at P. The line T is a common tangent line; C1 is the circle that touches C, D, and T; C2 is the circle that touches C, D, and C1; C3 is the circle that touches C, D, and C2. This procedure can be continued indefinitely and produces an infinite sequence of circles hCn j. Find an expression for the diameter of Cn and thus provide another geometric demonstration of Example 8.
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