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S is a set that satisfy
1- 1/1 is in S 2- if a/b is in S, b/2a is in S. (a, b) =1 3- if a/b and c/d are iN S , a+c/b+d is in S
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Consider the sequence t0 = 3, t1 = 3^3, t2 = 3^3^3 , t3 = 3^3^3^3,….. , defined by t0 = 3 and tn+1 = 3tn for n ≥ 0. What are
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It's the 1. 3^3^3 = 19683