In Exercises 3839, let un A1 25 Bn A1 25 Bn2n25 a. For the ninth term, compute the
Chapter 1, Problem 39(choose chapter or problem)
In Exercises 3839, let un A1 25 Bn A1 25 Bn2n25 a. For the ninth term, compute the ratiob. As n gets large, what number does the ratio approach? This number isalso referred to as the golden ratio. This ratio is believed to have beenused in the construction of the Great Pyramid in Egypt, where the ratioequals the sum of the areas of the four face triangles divided by thetotal surface area.
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