(a) Let sn be the number of ancestors a person has ngenerations ago. (Your ancestors are
Chapter 9, Problem 55(choose chapter or problem)
(a) Let sn be the number of ancestors a person has ngenerations ago. (Your ancestors are your parents,grandparents, great-grandparents, etc.) What is s1?s2? Find a formula for sn.(b) For which n is sn greater than 6 billion, the currentworld population? What does this tell you aboutyour ancestors?
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