Find the sum of the infinite geometric series. 1 + + + 5 25 125 S = (Simplify your answer.)Find the sum, if it converges. T 4 16 64 The sum is (Type an integer or a simplified fraction.)Each person has two parents, four grandparents, eight great-grandparents, and so on. What is the total number of ancestors a person has, going back six generations? eleven generations? Going back six generations, a person has ancestors